coo Meaning, Definition & Usage

  1. noun the sound made by a pigeon
  2. verb speak softly or lovingly
    • The mother who held her baby was cooing softly
  3. verb cry softly, as of pigeons

WordNet

Coo intransitive verb
Wordforms
imperfect & past participle Cooed ; present participle & verbal noun Cooing
Definitions
  1. To make a low repeated cry or sound, like the characteristic note of pigeons or doves.
    The stockdove only through the forest cooes, Mournfully hoarse. Thomson.
  2. To show affection; to act in a loving way. See under Bill, v. i. "Billing or cooing." Byron.

Webster 1913