coo-coo

noun5

1. •
   The two-note vocalisation made by the male of the common cuckoo (Cuculus canorus), or imitation of this by a cuckoo clock.

   • The clocks lining the dream hallway in her mind taunted her with their twisting hands, their broken faces, and some of them, with a cringe-worthy coo-coo, coo-coo squall. — 2014
2. •
   The repeated vocalisation of various other birds, such as doves.
3. •
   A loving or affectionate murmuration.

   • "Cut it short, sis, cut it short," he would growl at her if she started to murmur sweet "coo-coos" to her affinity stationed on the other end of the wire. — 1916
4. •
   A dish made from mashed okra and cornmeal.
5. •
   (no longer used) A cuckoo.