moo Meaning, Definition & Usage

  1. noun the sound made by a cow or bull
  2. verb make a low noise, characteristic of bovines
    low.

WordNet

Moo adjective adverb , & noun
Definitions
  1. See Mo. Obs. Chaucer.
Moo intransitive verb
Etymology
Of imitative origin.
Wordforms
imperfect & past participle Mooed ; present participle & verbal noun Mooing
Definitions
  1. To make the noise of a cow; to low; -- child's word.
Moo noun
Definitions
  1. The lowing of a cow.

Webster 1913