CUSP


Meaning of CUSP in English

I. ˈkəsp noun

( -s )

Etymology: Latin cuspis point

1. : the beginning or first entrance of any house in astrological nativity calculations

2. : point , apex

the cusp of a cone

the cusp of a peak

as

a. : either horn of the crescent moon or other crescent-shaped luminary

b. : a fixed point on a mathematical curve at which a point tracing the curve would exactly reverse its direction of motion, the tangents to the two parts of a cusp coinciding at the cusp

c. : an ornamental pointed projection (as from the intrados of a Gothic arch) formed by or arising from the intersection of two arcs or foils

d.

(1) : a point or projection on the occlusal surface of a tooth

(2) : one of various folds or flaps forming a cardiac valve

e. botany : a sharp and rigid point

3. : a landform characterized by a projection with indentations of crescent shape on either side (as along a shoreline or in a mountain front)

4. : a skate mark left on the ice in executing a half-turn from edge to edge

• cusped ˈkəspt adjective

[s]cusp.jpg[/s] [

1 cusp c

]

II. noun

: a point of transition (as from one historical period to the next) : turning point ; also : edge : verge

on the cusp of stardom

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.