billy goat

from WordNet (r) 3.0 (2006)

billy goat
    n 1: male goat [syn: {billy}, {billy goat}, {he-goat}]

from The Collaborative International Dictionary of English v.0.48

Billy goat \Bil"ly goat`\
   A male goat. [Colloq.]
   [1913 Webster] billyo

from Moby Thesaurus II by Grady Ward, 1.0

43 Moby Thesaurus words for "billy goat":
      billy, boar, bubbly-jock, buck, bull, bullock, chanticleer, cock,
      cockerel, doe, doeling, dog, drake, entire, entire horse, gander,
      goat, gobbler, hart, he-goat, kid, mountain goat, nanny,
      nanny goat, peacock, ram, rooster, she-goat, stag, stallion, steer,
      stot, stud, studhorse, tom, tom turkey, tomcat, top cow, top horse,
      tup, turkey gobbler, turkey-cock, wether