scalene

sca·lene Audio Help (skā'lēn', skā-lēn')

adj. Having three unequal sides. Used of triangles.

[Late Latin scalēnus, from Greek skalēnos, from skallein, to hoe, stir up; see skel-¹ in Indo-European roots.]

(Download Now or Buy the Book)
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2000 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.