Webster
✕

Webster’s Revised Unabridged Dictionary · 1913

Cusp

Cusp (kŭsp), n. [L. cuspis, -idis, point, pointed end.] 1. (Arch.) A triangular protection from the intrados of an arch, or from an inner curve of tracery.

2. (Astrol.) The beginning or first entrance of any house in the calculations of nativities, etc.

3. (Astron.) The point or horn of the crescent moon or other crescent-shaped luminary.

4. (Math.) A multiple point of a curve at which two or more branches of the curve have a common tangent.

5. (Anat.) A prominence or point, especially on the crown of a tooth.

6. (Bot.) A sharp and rigid point.

Cusp, v. t. [imp. & p. p. Cusped (k?spt); p. pr. & vb. n. Cusping.] To furnish with a cusp or cusps.

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty.