In botany, head-shaped, or collected in a head, as a dense terminal cluster of sessile or nearly sessile flowers; having a rounded head: as, a capitate stigma.In ornithology, having an enlarged extremity: as, the capitate feather of a peacock's tail.In entomology, suddenly enlarged at the end so as to form a ball or oval mass: applied to the antennæ of insects when this form is produced by several expanded terminal joints, as in most of the Curculionidæ.To put a head upon; specifically, in mathematics, to prefix to (a symbol) a number not less than the highest digit contained in it: thus 12 may be capitated into 212.