any of numerous, variously colored web-spinning mites of the family Tetranychidae, many of which are pests of garden plants and fruit trees.
Origin of spider mite
First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
any of various plant-feeding mites of the family Tetranychidae, esp Panonychus ulmi (red spider mite), which is a serious orchard pest
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