apterous

[ ap-ter-uh s ]
/ ˈæp tər əs /

adjective

Zoology. wingless, as some insects.
Botany. without membranous expansions, as a stem.

Origin of apterous

First recorded in 1765–75, apterous is from the Greek word ápteros wingless. See a-6, -pterous
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Examples from the Web for apterous

British Dictionary definitions for apterous

apterous

/ (ˈæptərəs) /

adjective

(of insects) without wings, as silverfish and springtails
without winglike expansions, as some plant stems, seeds, and fruits

Derived Forms

apterism, noun

Word Origin for apterous

C18: from Greek apteros wingless, from a- 1 + pteron wing
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