Ŭm'bo, n.
n. [Lat., allied to Gr. ὀμβών, ὀμφαλός, Lat. umbilicus; Fr. umbon, It. umbone.]
Sense 1. The boss or protuberant part of a shield.
Sense 2. (Conch.) The point of a bivalve shell immediately above the hinge.
n. [Lat., allied to Gr. ὀμβών, ὀμφαλός, Lat. umbilicus; Fr. umbon, It. umbone.]
Sense 1. The boss or protuberant part of a shield.
Sense 2. (Conch.) The point of a bivalve shell immediately above the hinge.