costa

名词 costa:

1. a riblike part of a plant or animal (such as a middle rib of a leaf or a thickened vein of an insect wing)
2. any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates)
   同义词：rib

cos.ta

n.（名词）
【复数】 cos.tae[-tô] 【生物学】
A rib or a riblike part, such as the midrib of a leaf or a thickened anterior vein or margin of an insect`s wing.
肋骨，叶脉：肋骨或肋骨状部分，例如叶子的中脉或昆虫翼的较厚的前部线或边

来源：
Latin * see kost-
拉丁语 *参见 kost-

【引伸】
cos.tal
adj.（形容词）