ringent

rin.gent

adj.Biology （形容词）【生物学】
Having gaping liplike parts, as the corolla of some flowers or the shells of certain bivalves.
张口的；（花冠）开口状的：有张得宽而深的唇状部分的，如一些花的花冠或某些双壳贝类动物的壳

来源：
Latin ringôns ringent- [present participle of] ringo [to open the mouth wide]
拉丁语 ringôns ringent- [] ringo的现在分词 [把嘴张大]