COO /kuː/ ► audio Scrabble 5 Words With Friends 6 Scrabble letter values: C3O1O1 = 5 Definition noun the sound made by a pigeon. verb speak softly or lovingly. verb cry softly, as of pigeons. Examples “The mother who held her baby was cooing softly” See all 1 words you can make from COO → 3-letter words Words starting with C Words ending with O ← Unscramble different letters