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TRAPEZIUM
Pronunciation (US): | (GB): |
Irregular inflected form: trapezia
I. (noun)
Sense 1
Meaning:
The wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals
Synonyms:
os trapezium; trapezium; trapezium bone
Classified under:
Hypernyms ("trapezium" is a kind of...):
carpal; carpal bone; wrist bone (any of the eight small bones of the wrist of primates)
Sense 2
Meaning:
A multiple star in the constellation of Orion
Classified under:
Nouns denoting natural objects (not man-made)
Hypernyms ("Trapezium" is a kind of...):
multiple star (a system of three or more stars associated by gravity)
Sense 3
Meaning:
A quadrilateral with no parallel sides
Classified under:
Nouns denoting two and three dimensional shapes
Hypernyms ("trapezium" is a kind of...):
quadrangle; quadrilateral; tetragon (a four-sided polygon)
Domain region:
America; the States; U.S.; U.S.A.; United States; United States of America; US; USA (North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776)
Antonym:
parallelogram (a quadrilateral whose opposite sides are both parallel and equal in length)