Word Games Pro Dictionary
umbo
noun
A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane. For example the umbo in the integument of the larvæ of echinoderms or…
Quick reference
Word Facts
- Word length
- 4
- Starts with
- U
- Ends with
- O
- Contains
- MB
- Scrabble score
- 8
- Database source
- OEWN 2025 Core
How it sounds
Pronunciation
ˈʌm.bəʊ
Meaning
Definitions
noun
A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane. For example the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear.
One of the lateral prominences just above the hinge of a bivalve shell.
A bump or protrusion on the top of the cap.
The boss of a shield, at or near the middle, and usually projecting, sometimes in a sharp spike.