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The characteristic lowing sound made by cattle.onomatopoeic
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A foolish woman.UKderogatorymildly
- You silly moo! What did you do that for?
moo
mu:6 senses · 91 ms
Level C2
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Of a cow or bull, to make its characteristic lowing sound.intransitive
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The characteristic sound made by a cow or bull.
- The cow says moo.