carina

名词 carina:

1. a keel-shaped constellation in the southern hemisphere; contains the start Canopus
2. any of various keel-shaped structures or ridges such as that on the breastbone of a bird or that formed by the fused petals of a pea blossom

ca.ri.na

n.（名词）
【复数】 ca.ri.nae[-nô]
A keel-shaped ridge or structure, such as that on the breastbone of a bird or of the fused lower two petals of flowers of many members of the pea family.
龙骨状突起，龙骨瓣：龙骨状脊或结构，如鸟的突出胸骨或豆科中很多植物的两片下层融合在一起的花瓣的龙骨状结构

来源：
Latin carona [keel] * see kar-
拉丁语 carona [龙骨] *参见 kar-