any of various wingless insects of the order Thysanura, having long, bristlelike, caudal appendages, comprising the firebrats, silverfish, and machilids.
Origin of bristletail
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
any primitive wingless insect of the orders Thysanura and Diplura, such as the silverfish and firebrat, having a flattened body and long tail appendages
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