a forked bone formed by the fusion of the clavicles of most birds
furcula详细解释
fur.cu.la n.（名词）【复数】fur.cu.lae[-lô.] 【动物学】 A forked part or bone, such as the wishbone of a bird.Also called fourchette 锁骨，叉骨：如鸟胸骨上的如愿骨等成叉状的部位或骨头也作 fourchette 来源：Latin [diminutive of] furca [fork] 拉丁语 [] furca的小后缀 [叉子] 【引伸】 fur.cular adv.（副词）
