Definitions for: Pendentive

Webster (1913) Definition: Pen*den"tive, n. [F. pendentif, fr. L. pendere to
hang.] (Arch.)
(a) The portion of a vault by means of which the square
space in the middle of a building is brought to an
octagon or circle to receive a cupola.
(b) The part of a groined vault which is supported by, and
springs from, one pier or corbel.