a combining form meaning “wing,” “feather,” used in the formation of compound words: pterodactyl.
Also pter-.

Origin of ptero-

< New Latin, combining form representing Greek pterón Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for ptero-


combining form

wing, feather, or a part resembling a wingpterodactyl

Word Origin for ptero-

from Greek pteron wing, feather
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

Medicine definitions for ptero-



Wing; feather:pterion.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.