Enter a clue or pattern or both:
The Clue
Quadrilateral plane figure (9 letter answer)
The Answer
TRAPEZIUM
Tags
Notes
The answer TRAPEZIUM is so rare that it appears less than once every 2500 puzzles.
Definition
TRAPEZIUM as a noun:
1. a quadrilateral with no parallel sides
2. a multiple star in the constellation of Orion
3. (trapezium, trapezium bone, os trapezium) = the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals