'moo-cow' definitions:

Definition of 'moo-cow'

(from WordNet)
noun
Female of domestic cattle: "`moo-cow' is a child's term" [syn: cow, moo-cow]

Definition of 'moo-cow'

From: GCIDE
  • moo-cow \moo-cow\ n. a cow[1]; -- a child's word. See 1st cow[1], n. [WordNet 1.5]