Alternative form of coochy coo

Cooing and rubbing of beaks, performed by birds such as pigeons and doves as a prelude to mating.

present participle of bill and coo

simple past tense and past participle of bill and coo

plural of billing and cooing

Said when tickling someone to get them to laugh.

(obsolete or Scotland) simple past tense and past participle of cast

Alternative form of Hindu Kush

Alternative form of Hindu Kush

ossification between two structures