weed-killer

[ weed-kil-er ]
/ ˈwidˌkɪl ər /

noun

a herbicide.

Origin of weed-killer

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for weedkiller

weedkiller

/ (ˈwiːdˌkɪlə) /

noun

a substance, usually a chemical or hormone, used for killing weeds
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