1640s, from French protubérant (16c.) and directly from Late Latin protuberantem (moninative protuberans), present participle of protuberare "to swell, bulge out" (see protuberance). Related: Protuberantly.
实用例句
1. The boy tripped over a protuberant rock.
那个男孩被突起的岩石绊了一下。
来自辞典例句
2. And coccyx has a pointed state protuberant how be to a responsibility?