I. penˈdentiv, -tēv also -təv noun
( -s )
Etymology: French pendentif, from Latin pendent-, pendens (present participle of pendēre to hang) + French -if -ive
1. : one of the triangular spherical sections of vaulting that spring from the corners of a rectangular ground plan and serve to allow the room enclosing it to be covered by a cupola of rounded or polygonal plan
2. : any supporting member at the corner of a square or polygonal plan for making transition to a circular or octagonal plan — compare squinch
3. : the part of a groined vault that springs from a single pier or corbel
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1 pendentive
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II. (ˈ) ̷ ̷| ̷ ̷ ̷ ̷ adjective
1. : of, relating to, or having pendentives
2. : formed like a pendentive