pendentive

[ pen-den-tiv ]
/ pɛnˈdɛn tɪv /

noun Architecture.

any of several spandrels, in the form of spherical triangles, forming a transition between the circular plan of a dome and the polygonal plan of the supporting masonry.
any of several masonry devices, as squinches or trompes, for forming a transition between a circular or polygonal construction, as a dome or lantern, and supporting masonry of a different plan.

adjective

functioning as, or substituting for, a pendentive: pendentive corbeling.

Origin of pendentive

1720–30; pendent + -ive, modeled on French pendentif

Example sentences from the Web for pendentive

British Dictionary definitions for pendentive

pendentive
/ (pɛnˈdɛntɪv) /

noun

any of four triangular sections of vaulting with concave sides, positioned at a corner of a rectangular space to support a circular or polygonal dome

Word Origin for pendentive

C18: from French pendentif, from Latin pendens hanging, from pendere to hang