1.  day lily(n = noun.plant) plantain lily - any of numerous perennials having mounds of sumptuous broad ribbed leaves and clusters of white, blue, or lilac flowers; used as ground cover;
is a kind of herb, herbaceous plant
is a member of funka, genus funka, genus hosta, hosta

2.  day lily(n = noun.plant) daylily - any of numerous perennials having tuberous roots and long narrow bladelike leaves and usually yellow lily-like flowers that bloom for only a day;
is a kind of liliaceous plant
is a member of genus hemerocallis, hemerocallis
has particulars: hemerocallis flava, hemerocallis lilio-asphodelus, lemon lily

N  beauty, the beautiful, to kalon, le beau ideal, aesthetics, callaesthetics, pulchritude, form, elegance, grace, beauty unadorned, natural beauty, symmetry, comeliness, fairness, polish, gloss, good effect, good looks, belle tournure, trigness, bloom, brilliancy, radiance, splendor, gorgeousness, magnificence, sublimity, sublimification, concinnity, delicacy, refinement, charm, je ne sais quoi, style, Venus, Aphrodite, Hebe, the Graces, Peri, Houri, Cupid, Apollo, Hyperion, Adonis, Antionous, Narcissus, peacock, butterfly, garden, flower of, pink of, bijou, jewel, work of art, flower, flow'ret gay, wildflower, rose, lily, anemone, asphodel, buttercup, crane's bill, daffodil, tulip, tiger lily, day lily, begonia, marigold, geranium, lily of the valley, ranunculus, rhododendron, windflower, pleasurableness, beautifying, landscaping, landscape gardening, decoration, calisthenics, beauty, hunk (of men), beautiful, beauteous, handsome, gorgeous, pretty, lovely, graceful, elegant, prepossessing, attractive, delicate, dainty, refined, fair, personable, comely, seemly, bonny, good-looking, well-favored, well-made, well-formed, well- proportioned, proper, shapely, symmetrical, harmonious, sightly, fit to be seen, passable, not amiss, goodly, dapper, tight, jimp, gimp, janty, jaunty, trig, natty, quaint, trim, tidy, neat, spruce, smart, tricksy, bright, bright eyed, rosy cheeked, cherry cheeked, rosy, ruddy, blooming, in full bloom, brilliant, shining, beamy, beaming, sparkling, splendid, resplendent, dazzling, glowing, glossy, sleek, rich, superb, magnificent, grand, fine, sublime, showy, specious, artistic, artistical, aesthetic, picturesque, pictorial, fait a peindre, well-composed, well grouped, well varied, curious, enchanting becoming, ornamental, undeformed, undefaced, unspotted, spotless, auxilium non leve vultus habet, beauty born of murmuring sound, flowers preach to us if we will hear, gratior ac pulchro veniens in corpore virtus, none but the brave deserve the fair, thou who hast the fatal gift of beauty.

admission day, adobe lily, african lily, all day long, all fools' day, all saints' day, all souls' day, amber lily, american indian day, annunciation day, annunciation lily, april fools' day, arbor day, armed forces day, armistice day, arum lily, ascension day, atamasco lily, australian sword lily, avalanche lily, aztec lily, bastille day, belladonna lily, bermuda lily, bissextile day, blood lily, blue african lily, boxing day, break of day, break of the day, by the day, calendar day, call it a day, calla lily, canada lily, candlemas day, canna lily, checkered lily, childermas day, christian holy day, christmas day, citizenship day, civil day, clarence day, clarence shepard day jr., class day, climbing lily, clinton's lily, coast lily, columbia tiger lily, columbus day, commencement day, commonwealth day, corn lily, cow lily, creeping lily, day, day after day, day bed, day blindness, day boarder, day book, day by day, day camp, day care, day care center, day game, day in and day out, day in day out, day jessamine, day laborer, day labourer, day nursery, day of atonement, day of judgement, day of judgment, day of reckoning, day of remembrance, day of rest, day of the month, day of the week, day off, day return, day school, day shift, day watch, decoration day, degree day, devil lily, discovery day, dominion day, each day, easter day, easter lily, easter lily vine, egyptian water lily, election day, ember day, empire day, european white lily, every day, false lily of the valley, fast day, father's day, fawn lily, feast day, fete day, field day, flag day, forever and a day, fragrant water lily, future day, gain the day, gild the lily, glacier lily, globe lily, glory lily, good day, groundhog day, guernsey lily, guy fawkes day, high holy day, holy day, holy day of obligation, holy innocents' day, impala lily, inauguration day, independence day, innocents' day, jacob'91an lily, jacobean lily, jewish holy day, judgement day, judgment day, kudu lily, labor day, lady day, lammas day, last day, leap day, lemon lily, lent lily, leopard lily, leper lily, lily, lily family, lily livered, lily of the incas, lily of the nile, lily of the valley, lily pad, lily pons, lily turf, lord's day, lunar day, madonna lily, major fast day, mariposa lily, market day, martin luther king day, may day, may lily, meadow lily, mean solar day, memorial day, michaelmas day, michigan lily, midsummer day, midsummer's day, minor fast day, mother's day, mount cook lily, mountain lily, naked as the day one was born, naked as the day you were born, name day, natal day, new year's day, night and day, order of the day, oregon lily, paint the lily, pan american day, pancake day, panther lily, patriot's day, patriots' day, peace lily, peruvian lily, pine lily, pioneers' day, plantain lily, polling day, pond lily, poppy day, present day, presidents' day, quarter day, rag day, rainy day, red-letter day, remembrance day, rest day, robert e lee day, rogation day, rose globe lily, saint patrick's day, saint valentine's day, saint's day, school day, sea lily, sego lily, seize the day, sidereal day, six day war, snow lily, solar day, speech day, st john's day, st martin's day, st patrick's day, st valentine's day, swamp lily, sword lily, tag day, term day, texas independence day, thanksgiving day, three kings' day, tiger lily, time of day, toad lily, transfiguration day, trout lily, twelfth day, united nations day, unlucky day, v-e day, v-j day, valentine day, valentine's day, veterans day, veterans' day, victoria day, victory day, washing day, water lily, wedding day, white globe lily, white lily, white trumpet lily, wild lily of the valley, wild meadow lily, wild yellow lily, wood lily, work day, working day, yellow globe lily, yellow pond lily, yellow water lily