rin.gent

adj.Biology （形容詞）【生物學】
Having gaping liplike parts, as the corolla of some flowers or the shells of certain bivalves.
張口的；（花冠）開口狀的：有張得寬而深的唇狀部分的，如一些花的花冠或某些雙殼貝類動物的殼

來源：
Latin ringôns ringent- [present participle of] ringo [to open the mouth wide]
拉丁語 ringôns ringent- [] ringo的現(xiàn)在分詞 [把嘴張大]