Definitions Found:
having an umbo or projecting boss
- umbonatehaving an umbo or projecting boss
- umbonichaving the shape or appearance of an umbo; bosslike
- umbonalhaving the shape or appearance of an umbo; bosslike
- mucronatehaving an abruptly projecting point, as a feather or leaf
- umbonateshaped like an umbo; having a rounded convex form
- prognathous(of an insect) Having projecting mouthparts
- ocarinaa simple wind instrument typically having an oval body with finger holes and a projecting mouthpiece