You searched English word "Coo" meaning in Spanish that is "arrullo". Coo is a Verb (used Without Object), Cooed, Cooing.. We Spell Coo as [koo]. Coo meaning in Spanish has been searched 1784 ( one thousand seven hundred eighty four ) times till today 12/08/2026. Get translation of the word Coo in Urdu and Roman Urdu. Learn how to speak Coo Word in Spanish and English. You may also find the meaning of Word Coo in English to Spanish, Urdu, Arabic, French, German, Hindi and other languages.