kitten(n = noun.animal) kitty - young domestic cat;
is a kind of young mammal
Derived form verb kitten₁

   kitten(v = verb.body) - have kittens; "our cat kittened again this year"
is one way to bear, birth, deliver, give birth, have
Derived form noun kitten₁
Sample sentences: Something ----s

   A young cat. [1913 Webster]

   To bring forth young, as a cat; to bring forth, as kittens. Shak. H. Spencer. [1913 Webster]

kitten, n. & v.
--n.
1 a young cat.
2 a young ferret etc.
--v.intr. & tr. (of a cat etc.) give birth or give birth to.

Idiom:
have kittens Brit. colloq. be extremely upset, anxious, or nervous.

Etymology:
ME kito(u)n, ketoun f. OF chitoun, chetoun dimin. of chat CAT

N  infant, babe, baby, babe in arms, nurseling, suckling, yearling, weanling, papoose, bambino, kid, vagitus, child, bairn, little one, brat, chit, pickaninny, urchin, bantling, bratling, elf, youth, boy, lad, stripling, youngster, youngun, younker, callant, whipster, whippersnapper, whiffet, schoolboy, hobbledehoy, hopeful, cadet, minor, master, scion, sap, seedling, tendril, olive branch, nestling, chicken, larva, chrysalis, tadpole, whelp, cub, pullet, fry, callow, codlin, codling, foetus, calf, colt, pup, foal, kitten, lamb, lambkin, aurelia, caterpillar, cocoon, nymph, nympha, orphan, pupa, staddle, girl, lass, lassie, wench, miss, damsel, demoiselle, maid, maiden, virgin, hoyden, infantine, infantile, puerile, boyish, girlish, childish, babyish, kittenish, baby, newborn, unfledged, new-fledged, callow, in the cradle, in swaddling clothes, in long clothes, in arms, in leading strings, at the breast, in one's teens.

VB  produce, perform, operate, do, make, gar, form, construct, fabricate, frame, contrive, manufacture, weave, forge, coin, carve, chisel, build, raise, edify, rear, erect, put together, set up, run up, establish, constitute, compose, organize, institute, achieve, accomplish, flower, bear fruit, fructify, teem, ean, yean, farrow, drop, pup, kitten, kindle, bear, lay, whelp, bring forth, give birth to, lie in, be brought to bed of, evolve, pullulate, usher into the world, make productive, create, beget, get, generate, fecundate, impregnate, procreate, progenerate, propagate, engender, bring into being, call into being, bring into existence, breed, hatch, develop, bring up, induce, superinduce, suscitate, cause, acquire.

sex kitten