1.  roost(n = noun.artifact) - a shelter with perches for fowl or other birds;
is a kind of shelter
has parts: perch
has particulars: henroost
Derived form verb roost₁

2.  roost(n = noun.artifact) - a perch on which domestic fowl rest or sleep;
is a kind of perch
Derived form verb roost₁

1.  roost(v = verb.contact) perch, rest - sit, as on a branch; "The birds perched high in the tree"
is one way to sit, sit down
Derived forms noun roost₂, noun roost₁
Sample sentences: Some big birds roost in the tree; There roost some big birds in the tree

2.  roost(v = verb.change) - settle down or stay, as if on a roost;
is one way to root, settle, settle down, steady down, take root
Sample sentences: Somebody ----s; Somebody ----s PP

   Roast. Chaucer. [1913 Webster]

   See Roust, v. t. [1913 Webster]

1.  The pole or other support on which fowls rest at night; a perch. [1913 Webster]
"He clapped his wings upon his roost." [1913 Webster]

2.  A collection of fowls roosting together. [1913 Webster]

1.  To sit, rest, or sleep, as fowls on a pole, limb of a tree, etc.; to perch. Wordsworth. [1913 Webster]

2.  Fig.; To lodge; to rest; to sleep. [1913 Webster]
"O, let me where thy roof my soul hath hid,
O, let me roost and nestle there." [1913 Webster]

roost, n. & v.
--n.
1 a branch or other support on which a bird perches, esp. a place where birds regularly settle to sleep.
2 a place offering temporary sleeping-accommodation.
--v.
1 intr. a (of a bird) settle for rest or sleep. b (of a person) stay for the night.
2 tr. provide with a sleeping-place.

Idiom:
come home to roost (of a scheme etc.) recoil unfavourably upon the originator.

roost, n. a tidal race in the Orkneys and Shetlands.

Etymology:
ON r{ouml}st

VB  exist in space, be present, assister, make one of, make one at, look on, attend, remain, find oneself, present oneself, show one's face, fall in the way of, occur in a place, lie, stand, occupy, be there, people, inhabit, dwell, reside, stay, sojourn, live, abide, lodge, nestle, roost, perch, take up one's abode, tenant, resort to, frequent, haunt, revisit, fill, pervade, permeate, be diffused, be disseminated, be through, over spread, overrun, run through, meet one at every turn.

N  abode, dwelling, lodging, domicile, residence, apartment, place, digs, pad, address, habitation, where one's lot is cast, local habitation, berth, diggings, seat, lap, sojourn, housing, quarters, headquarters, resiance, tabernacle, throne, ark, home, fatherland, country, homestead, homestall, fireside, hearth, hearth stone, chimney corner, inglenook, ingle side, harem, seraglio, zenana, household gods, lares et penates, roof, household, housing, dulce domum, paternal domicile, native soil, native land, habitat, range, stamping ground, haunt, hangout, biosphere, environment, ecological niche, nest, nidus, snuggery, arbor, bower, lair, den, cave, hole, hiding place, cell, sanctum sanctorum, aerie, eyrie, eyry, rookery, hive, covert, resort, retreat, perch, roost, nidification, kala jagah, bivouac, camp, encampment, cantonment, castrametation, barrack, casemate, casern, tent, building, chamber, xenodochium, tenement, messuage, farm, farmhouse, grange, hacienda, toft, cot, cabin, hut, chalet, croft, shed, booth, stall, hovel, bothy, shanty, dugout, wigwam, pen, barn, bawn, kennel, sty, doghold, cote, coop, hutch, byre, cow house, cow shed, stable, dovecote, columbary, columbarium, shippen, igloo, iglu, jacal, lacustrine dwelling, lacuslake dwelling, lacuspile dwelling, log cabin, log house, shack, shebang, tepee, topek, house, mansion, place, villa, cottage, box, lodge, hermitage, rus in urbe, folly, rotunda, tower, chateau, castle, pavilion, hotel, court, manor-house, capital messuage, hall, palace, kiosk, bungalow, casa, country seat, apartment house, flat house, frame house, shingle house, tenement house, temple, hamlet, village, thorp, dorp, ham, kraal, borough, burgh, town, city, capital, metropolis, suburb, province, country, county town, county seat, courthouse, ghetto, street, place, terrace, parade, esplanade, alameda, board walk, embankment, road, row, lane, alley, court, quadrangle, quad, wynd, close, yard, passage, rents, buildings, mews, square, polygon, circus, crescent, mall, piazza, arcade, colonnade, peristyle, cloister, gardens, grove, residences, block of buildings, market place, place, plaza, anchorage, roadstead, roads, dock, basin, wharf, quay, port, harbor, quarter, parish, assembly room, meetinghouse, pump room, spa, watering place, inn, hostel, hostelry, hotel, tavern, caravansary, dak bungalow, khan, hospice, public house, pub, pot house, mug house, gin mill, gin palace, bar, bar room, barrel house, cabaret, chophouse, club, clubhouse, cookshop, dive, exchange, grill room, saloon, shebeen, coffee house, eating house, canteen, restaurant, buffet, cafe, estaminet, posada, almshouse, poorhouse, townhouse, garden, park, pleasure ground, plaisance, demesne, cage, terrarium, doghouse, pen, aviary, barn, stall, zoo, urban, metropolitan, suburban, provincial, rural, rustic, domestic, cosmopolitan, palatial, eigner Hert ist goldes Werth, even cities have their graves, ubi libertas ibi patria, home sweet home.