Meaning of umbo
Pronunciation: (um'bō), [key]
— pl. um•bo•nes um•bos.
- a boss on a shield, as one at the center of a circular shield.
- any similar boss or protuberance.
- the beak of a bivalve shell; the protuberance of each valve above the hinge.
- the depressed area on the outer surface of the tympanic membrane.
- a blunt or rounded protuberance arising from a surface, as on a pine cone scale.
- umbo (Thesaurus)