Coo

02319 Coo (?), v. i. [imp. & p.p. Cooed (?); p.pr. & vb.n. Cooing.] 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.