n.
Pronunciation: p ə - ' ra-b ə - ˌ lo ̇ id
Function: noun
Date: circa 1702
: a surface all of whose intersections by planes are either parabolas and ellipses or parabolas and hyperbolas
– pa · rab · o · loi · dal \ - ˌ ra-b ə - ' lo ̇ i-d ə l \ adjective