- Zoology. wingless, as some insects.
- Botany. without membranous expansions, as a stem.
Origin of apterous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for apterous
It appears to be apterous, and is said in scent and colour to resemble the bed-bug.An Introduction to Entomology: Vol. I (of 4)
That of the glowworm (Lampyridæ) is not unlike the apterous female.On the Origin and Metamorphoses of Insects
Sir John Lubbock
Why it is, in the Insecta, that islands should predispose to an apterous state more than continents, it is not easy to speculate.
From this egg in the spring emerges an apterous female who makes a gall in the new leaf and lays therein a large number of eggs.
Fleas are apterous, walk but little, but leap to a height equal to two hundred times that of their own body.The Book of Curiosities
- (of insects) without wings, as silverfish and springtails
- without winglike expansions, as some plant stems, seeds, and fruits
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