名詞 cloaca:

1. a waste pipe that carries away sewage or surface water
   同義詞：sewer, sewerage

clo.a.ca

n.（名詞）
【復數(shù)】 clo.a.cae[-sô.]
A sewer or latrine.
陰溝：陰溝或廁所
Zoology
【動物學】
The common cavity into which the intestinal, genital, and urinary tracts open in vertebrates such as fish, reptiles, birds, and some primitive mammals.
泄殖腔：脊椎動物（如魚、爬行動物、鳥和某些低級哺乳動物）的腸道、生殖道和泌尿道口通往的共用體腔
The posterior part of the intestinal tract in various invertebrates.
泄殖腔：各種無脊椎動物內(nèi)腸道的后部分

來源：
Latin clo3ca [sewer, canal]
拉丁語 clo3ca [陰溝，運河]

【引伸】
cloa.cal