錘つむ形がた

noun which may take the genitive case particle 'no'

spindle-shaped; fusiform

Technical term used in biology, engineering, and design to describe a shape that tapers at both ends.

• この細さい胞ぼうは錘つむ形がたをしている。

  This cell is spindle-shaped.

• 錘つむ形がたの魚さかなは速はやく泳およぐのに適てきしている。

  Fusiform fish are suited for fast swimming.