UMBOS
Noun
umbos
plural of umbo
Anagrams
• ombus
Source: Wiktionary
UMBO
Um"bo, n.; pl. L. Umbones, E. Umbos. Etym: [L.]
1. The boss of a shield, at or near the middle, and usually
projecting, sometimes in a sharp spike.
2. A boss, or rounded elevation, or a corresponding depression, in a
palate, disk, or membrane; as, the umbo in the integument of the
larvæ of echinoderms or in the tympanic membrane of the ear.
3. (Zoöl.)
Definition: One of the lateral prominence just above the hinge of a bivalve
shell.
Source: Webster’s Unabridged Dictionary 1913 Edition