fossa

A noun with two distinct meanings: an anatomical depression or concavity in a surface, and the largest carnivorous mammal native to Madagascar, which shares characteristics with both cats and civets.

• 🇨🇳名词，有两个主要含义：一是解剖学上的凹陷或沟槽，如骨表面的窝；二是马达加斯加特有的一种大型食肉哺乳动物，外形兼具猫和灵猫的特征。

1. Anatomical depression C1 formal medical

   A shallow depression or concavity in a bone or other anatomical structure.

   • The surgeon identified a small fossa on the temporal bone.
   • The iliac fossa is a common site for surgical procedures.
   • The fossa in the skull protects certain nerves and blood vessels.

   🇨🇳凹

   同义词: concavitydepressionhollowpit

   反义词: elevationeminenceprojectionprominenceprotuberance

2. Madagascan carnivore C1 formal

   A large carnivorous mammal native to Madagascar, resembling a cat but related to the mongoose family.

   • The fossa is the top predator in Madagascar's forests.
   • Fossas are known for their agility and ability to climb trees.
   • The fossa's diet consists mainly of lemurs and other small animals.

   🇨🇳马岛獴

• fossae plural form
• fossae's possessive plural form
• fossa's possessive singular form