This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Plural form of cloaca.

"Before they were thrown into the air, they were kept for three hours and deprived of food to empty their guts, and some “measure” was taken to prevent them defecating on the wing similar experiments with tippler pigeons involved their cloacae being “sealed” somehow."