1.  cuckoo(n = noun.person) bozo, fathead, goof, goofball, goose, jackass, twat, zany - a man who is a stupid incompetent fool;
is a kind of fool, muggins, sap, saphead, tomfool

2.  cuckoo(n = noun.animal) - any of numerous European and North American birds having pointed wings and a long tail;
is a kind of cuculiform bird
is a member of cuculidae, family cuculidae
has particulars: cuculus canorus, european cuckoo, black-billed cuckoo, coccyzus erythropthalmus, chaparral cock, geococcyx californianus, roadrunner, ani, coucal
Derived form verb cuckoo₁

   cuckoo(v = verb.communication) - repeat monotonously, like a cuckoo repeats his call;
is one way to echo, repeat
Derived form noun cuckoo₂
Sample sentences: Somebody ----s something

   A bird belonging to Cuculus, Coccyzus, and several allied genera, of many species. [1913 Webster]
" The European cuckoo (Cuculus canorus) builds no nest of its own, but lays its eggs in the nests of other birds, to be hatched by them. The American yellow-billed cuckoo (Coccyzus Americanus) and the black-billed cuckoo (Coccyzus erythrophthalmus) build their own nests." [1913 Webster]

cuckoo, n. & adj.
--n. any bird of the family Cuculidae, esp. Cuculus canorus, having a characteristic cry, and depositing its eggs in the nests of small birds.
--predic.adj. sl. crazy, foolish.

Idiom:
cuckoo clock a clock that strikes the hour with a sound like a cuckoo's call, usu. with the emergence on each note of a mechanical cuckoo. cuckoo flower
1 a meadow plant, Cardamine pratensis, with pale lilac flowers.
2 = ragged robin. cuckoo in the nest an unwelcome intruder. cuckoo-pint a wild arum, Arum maculatum, with arrow-shaped leaves and scarlet berries: also called lords and ladies (see LORD). cuckoo-spit froth exuded by larvae of insects of the family Cercopidae on leaves, stems, etc.

Etymology:
ME f. OF cucu, imit.

N  imitation, copying, transcription, repetition, duplication, reduplication, quotation, reproduction, mimeograph, xerox, facsimile, reprint, offprint, mockery, mimicry, simulation, impersonation, personation, representation, semblance, copy, assimilation, paraphrase, parody, take-off, lampoon, caricature, plagiarism, forgery, counterfeit, celluloid, imitator, echo, cuckoo, parrot, ape, monkey, mocking bird, mime, copyist, copycat, plagiarist, pirate, imitated, mock, mimic, modelled after, molded on, paraphrastic, literal, imitative, secondhand, imitable, aping, apish, mimicking, literally, to the letter, verbatim, literatim, sic, totidem verbis, word for word, mot a mot, exactly, precisely, like master like man, like - but oh! how different!, genius borrows nobly, pursuing echoes calling 'mong the rocks, quotation confesses inferiority, Imitation is the sincerest form of flattery.

N  repetition, iteration, reiteration, harping, recurrence, succession, run, battology, tautology, monotony, tautophony, rhythm, diffuseness, pleonasm, redundancy, chimes, repetend, echo, ritornello, burden of a song, refrain, rehearsal, rechauffe, rifacimento, recapitulation, cuckoo, reverberation, drumming, renewal, twice-told tale, old story, old song, second edition, new edition, reappearance, reproduction, recursion, periodicity, repeated, repetitional, repetitionary, recurrent, recurring, ever recurring, thick coming, frequent, incessant, redundant, pleonastic, monotonous, harping, iterative, recursive, unvaried, mocking, chiming, retold, aforesaid, aforenamed, above-mentioned, above-said, habitual, another, repeatedly, often, again, anew, over again, afresh, once more, ding-dong, ditto, encore, de novo, bis, da capo, again and again, over and over, over and over again, recursively, many times over, time and again, time after time, year after year, day by day, many times, several times, a number of times, many a time, full many a time, frequently, ecce iterum Crispinus, toujours perdrix, cut and come again, tomorrow and tomorrow and tomorrow, cantilenam eandem canis, nullum est jam dictum quod non dictum sit prius.

N  roll, drumming, berloque, bombination, rumbling, tattoo, drumroll, dingdong, tantara, rataplan, whirr, ratatat, ratatat-tat, rubadub, pitapat, quaver, clutter, charivari, racket, cuckoo, repetition, peal of bells, devil's tattoo, reverberation, clickety-clack, hum, purr, hummingbird, cat, kitten (animal sounds), rolling, monotonous, like a bee in a bottle.

N  ululation, cry, crying, bowwow, ululation, latration, belling, reboation, wood-note, insect cry, fritiniancy, drone, screech owl, cuckoo, wailing (lamentation), crying, blatant, latrant, remugient, mugient, deep-mouthed, full-mouthed, rebellowing, reboant, in full cry, (iii) MUSICAL SOUNDS.

VB  cry, roar, bellow, blare, rebellow, growl, snarl, bark, bow-wow, yelp, bay, bay at the moon, yap, yip, yipe, growl, yarr, yawl, snarl, howl, grunt, gruntle, snort, squeak neigh, whinny, bray, mew, mewl, meow, purr, caterwaul, pule, baa, bleat, low, moo, troat, croak, peep, coo, gobble, quack, honk, gaggle, guggle, crow, caw, squawk, screech cackle, cluck, clack, chuck, chuckle, hoot, hoo, chirp, cheep, chirrup, twitter, cuckoo, warble, trill, tweet, pipe, whistle, hum, buzz, hiss, blatter, ratatat.

black-billed cuckoo, cuckoo bee, cuckoo bread, cuckoo clock, cuckoo flower, european cuckoo, pheasant cuckoo