Pendentive
- n. The part of a groined vault which is supported by, and springs from, one pier or corbel.
- n. 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.
The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.