fossa

名词 fossa:

1. a concavity in a surface (especially an anatomical depression)
   同义词：pit
2. monotypic genus of Madagascar civets closely related to palm civets
   同义词：genus Fossa
3. largest carnivore of Madagascar; intermediate in some respects between cats and civets
   同义词：fossa cat, Cryptoprocta ferox

fos.sa

n.（名词）
【复数】 fos.sae[fôs.ô.] 【解剖学】
A small cavity or depression, as in a bone.
窝，凹：骨头中的小窝或凹陷

来源：
Latin [ditch] [from feminine past participle of] fodere [to dig]
拉丁语 [沟] [] 源自fodere的阴性过去分词 [掘（土），挖（沟，渠）等]

【引伸】
fos.sate.