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The boss of a shield
Answer for the clue "The boss of a shield ", 4 letters:
umbo
Alternative clues for the word umbo
Word definitions for umbo in dictionaries
Wikipedia
Word definitions in Wikipedia
thumb|right|Cantharellula umbonata has an umbo. thumb|right|The cap of Psilocybe makarorae is acutely papillate. An umbo is a raised area in the center of a mushroom cap . Caps that possess this feature are called umbonate . Umbos that are sharply pointed ...
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
"boss of a shield," 1921, from Latin umbo "shield-boss, knob, projection."
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Umbo \Um"bo\, n.; pl. L. Umbones , E. Umbos . [L.] The boss of a shield, at or near the middle, and usually projecting, sometimes in a sharp spike. A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo ...
Usage examples of umbo.
The edges were obtuse, the caps fleshy, then corky, smooth, the upper ends not regular, oblique in the form of an umbo or little knob, the pellicles or outside layers thin and easily separated.