モーモー

adverb, adverb taking the 'to' particle

moo (sound of a cow)

Onomatopoeic adverb mimicking the lowing of a cow; often used with と.

• 牛うしがモーモーと鳴ないた。

  The cow mooed.

noun

moo-cow; moo-moo (child's word for cow)

Children's language for a cow; a noun derived from the sound.

• あそこにモーモーがいるよ。

  Look, there's a moo-moo over there.