costa
/ˈkɒstə/noun
(pl. costae)
1- /-tiː/ Botany & Zoology a rib, midrib, or rib-like structure【植, 动】肋; 中脉; 类似肋骨的结构。
1.1
- Entomology the main vein running along the leading edge of an insect's wing【昆】前缘脉。
词源
mid 19th cent.: from Latin.