COOING

Verb

cooing

present participle of coo

Noun

cooing (plural cooings)

A coo; a cooing sound.

Source: Wiktionary

COO

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.

Source: Webster’s Unabridged Dictionary 1913 Edition