What is the Latin word for coo?

The usual Latin words for “coo” are gemō, exoscŭlātĭo. The right choice depends on the sense; see the distinctions below.

English → Latin

“coo” in Latin

gemōto sigh, groan; to creak; to bemoan, lament exoscŭlātĭoa fond

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

coo

of doves), gemere (Verg., Ecl., 1, 58). FIG. To be billing and cooing (of lovers, etc.), columbulatim labra conserere labris (Mattius ap. Gell., 20, 9, 2): labris columbari alicui (Maecen. ap. Sen., Ep., 114): columbatim dare basia (poet. in Anthol. Latin 3, 219): COOING, gemitus.

Billing and cooing, exosculatio.

Quick answer

What is the Latin word for coo?: The usual Latin words for “coo” are gemō, exoscŭlātĭo. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.