The lower, narrow portion of the uterus where it joins with the top end of the vagina.
The necklike portion of any part, as of the womb.
convex
convex
adj
(functional analysis, not comparable, of a real-valued function on the reals) having an epigraph that is a convex set.
(geometry, not comparable, of a polygon) having no internal angles greater than 180 degrees.
(mathematics, not comparable, of a set in Euclidean space) arranged such that for any two points in the set, a straight line between the two points is contained within the set.
Curved or bowed outward like the outside of a bowl, circle, or sphere.
noun
(gambling) A playing card made convex for use in cheating.
(gambling) A small convex mirror used to cheat by observing other players' cards.
