Associations to the word «Umbo»

Wiktionary

UMBO, noun. (biology) 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.
UMBO, noun. (zoology) One of the lateral prominence just above the hinge of a bivalve shell.
UMBO, noun. (mycology) A bump or protrusion on the top of the cap.
UMBO, noun. (historical) The boss of a shield, at or near the middle, and usually projecting, sometimes in a sharp spike.

Dictionary definition

UMBO, noun. A slight rounded elevation where the malleus attaches to the eardrum.

Wise words

Don't use words too big for the subject. Don't say "infinitely" when you mean "very"; otherwise you'll have no word left when you want to talk about something really infinite.
C. S. Lewis