Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

cuspidal point

noun

Definition of cuspidal point 

mathematics

1 : cusp sense 2c

2 : a point on a ruled surface where a generator or ruling intersects a consecutive ruling

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about cuspidal point

Share cuspidal point

Resources for cuspidal point

Cite Time Traveler Time Traveler! Explore the year a word first appeared

Dictionary Entries near cuspidal point

cuspidal cubic

cuspidal curve

cuspidal locus

cuspidal point

cuspidate

cuspidation

cuspidine

Statistics for cuspidal point

Look-up Popularity

Comments on cuspidal point

What made you want to look up cuspidal point? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

de rigueur

required by fashion, etiquette, or custom

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games