horntail [hawrn-teyl] WORD ORIGIN noun any of various wasplike insects of the family Siricidae, the females of which have a hornlike ovipositor. Liberaldictionary.com
Origin of horntail First recorded in 1880–85; horn + tail1 Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 British Dictionary definitions for horntail horntail noun any of various large wasplike insects of the hymenopterous family Siricidae, the females of which have a strong stout ovipositor and lay their eggs in the wood of felled treesAlso called: wood wasp 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