a circular, convex, ornamental mirror.
a disease of apples and pears, characterized by sunken, eyelike spots on the fruit and twig cankers, caused by any of several fungi, especially of the genus Neofabraea.
bull’s-eye (def 7).
the circular spot, usually black or outlined in black, at the center of a target marked with concentric circles and used in target practice. a shot that hits this. the center or central area of a military target, as of a town or factory, in a bombing raid. a missile that strikes the central area […]