[ kuhsp ]
/ kʌsp /
a point or pointed end.
Anatomy, Zoology, Botany. a point, projection, or elevation, as on the crown of a tooth.
Also called spinode. Geometry. a point where two branches of a curve meet, end, and are tangent.
Architecture. a decorative device, used especially in Gothic architecture to vary the outlines of intradoses or to form architectural foils, consisting of a pair of curves tangent to the real or imaginary line defining the area decorated and meeting at a point within the area.
Astronomy. a point of a crescent, especially of the moon.
- the zodiacal degree that marks the beginning of a house or a sign.
- Informal. a person born on the first day of a sign.
a point that marks the beginning of a change: on the cusp of a new era.
Origin of cusp
First recorded in 1575–85, cusp is from the Latin word cuspis a point
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
/ (kʌsp) /
any of the small elevations on the grinding or chewing surface of a tooth
any of the triangular flaps of a heart valve
a point or pointed end
Also called: spinode geometry a point at which two arcs of a curve intersect and at which the two tangents are coincident
architect a carving at the meeting place of two arcs
astronomy either of the points of a crescent moon or of a satellite or inferior planet in a similar phase
astrology any division between houses or signs of the zodiac
Word Origin for cusp
C16: from Latin cuspis point, pointed end
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
1580s, from Latin cuspis "point, spear, pointed end, head," of unknown origin. Astrological use is earliest.
Online Etymology Dictionary, © 2010 Douglas Harper
[ kŭs′pəl ]
Relating to a cusp.
[ kŭsp ]
A pointed or rounded projection on the chewing surface of a tooth.
A triangular fold or flap of a heart valve.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.