1.  biddy(n = noun.animal) hen - adult female chicken;
is a kind of chicken, gallus gallus
has particulars: cackler, brood hen, broody, broody hen, setting hen, sitter, mother hen, layer, pullet

2.  biddy(n = noun.animal) chick - young bird especially of domestic fowl;
is a kind of young bird, chicken, gallus gallus

   A name used in calling a hen or chicken. Shak. [1913 Webster]

   An Irish serving woman or girl. [1913 Webster]

biddy, n. (pl. -ies) sl. derog. a woman (esp. old biddy).

Etymology:
pet-form of the name Bridget

N  servant, subject, liegeman, servant, retainer, follower, henchman, servitor, domestic, menial, help, lady help, employe, attache, official, retinue, suite, cortege, staff, court, attendant, squire, usher, page, donzel, footboy, train bearer, cup bearer, waiter, lapster, butler, livery servant, lackey, footman, flunky, flunkey, valet, valet de chambre, equerry, groom, jockey, hostler, ostler, tiger, orderly, messenger, cad, gillie, herdsman, swineherd, barkeeper, bartender, bell boy, boots, boy, counterjumper, khansamah, khansaman, khitmutgar, yardman, bailiff, castellan, seneschal, chamberlain, major-domo, groom of the chambers, secretary, under secretary, assistant secretary, clerk, subsidiary, agent, subaltern, underling, understrapper, man, maid, maidservant, handmaid, confidente, lady's maid, abigail, soubrette, amah, biddy, nurse, bonne, ayah, nursemaid, nursery maid, house maid, parlor maid, waiting maid, chamber maid, kitchen maid, scullery maid, femme de chambre, femme fille, camarista, chef de cuisine, cordon bleu, cook, scullion, Cinderella, potwalloper, maid of all work, servant of all work, laundress, bedmaker, journeyman, charwoman, bearer, chokra, gyp (Cambridge), hamal, scout (Oxford), serf, vassal, slave, negro, helot, bondsman, bondswoman, bondslave, ame damnee, odalisque, ryot, adscriptus gleboe, villian, villein, beadsman, bedesman, sizar, pensioner, pensionary, client, dependant, dependent, hanger on, satellite, parasite, led captain, protege, ward, hireling, mercenary, puppet, tool, creature, badge of slavery, bonds, in the train of, in one's pay, in one's employ, at one's call, in bonds.