- a half ellipse, usually one containing both ends of the major axis.
Origin of semiellipse
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for semielliptical
The carriage when traveling is supported on semielliptical springs, as is also the carriage limber.America's Munitions 1917-1918
- 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