coo

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

the sound made by a pigeon
• Hypernyms:
cry

II - verb

1. speak softly or lovingly
- The mother who held her baby was cooing softly
• Hypernyms:
murmur
• Verb Frames:
- Somebody ----s
- Sam and Sue coo
2. cry softly, as of pigeons
• Hypernyms:
utter, emit, let out, let loose
• Verb Frames:
- Something ----s