单词 | fossula |
释义 | fossula/ˈfɒsjʊlə/noun 1 Anatomy and Zoology. A small depression or cavity, especially on the surface of a structure; a small fossa. 2 Zoology and Botany. A shallow groove, especially in the cuticle of an insect or the surface of a pollen grain or spore. 3 Palaeontology. In rugose corals: a cavity or groove where one of the primitive septa has failed to develop. OriginMid 18th century. From classical Latin fossula small trench from fossa + -ula, originally after French fossette. |
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