NOUN
  • Definition - 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.
  • Definition - One of the lateral prominences just above the hinge of a bivalve shell.
  • Definition - A bump or protrusion on the top of the cap.
  • Definition - The boss of a shield, at or near the middle, and usually projecting, sometimes in a sharp spike.
Words in your word
4 Letter Words
umbo 8
3 Letter Words
bum 7 mob 7
2 Letter Words
bo 4 mo 4 mu 4 om 4 um 4