[sem-ee-i-lips, sem-ahy-]

noun Geometry.

a half ellipse, usually one containing both ends of the major axis.

Origin of semiellipse

First recorded in 1725–35; semi- + ellipse
Related formssem·i·el·lip·tic [sem-ee-i-lip-tik, sem-ahy-] /ˌsɛm i ɪˈlɪp tɪk, ˌsɛm aɪ-/, sem·i·el·lip·ti·cal, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for semielliptical

Historical Examples of semielliptical

British Dictionary definitions for semielliptical



shaped like one half of an ellipse, esp one divided along the major axis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012