any of numerous leaping, homopterous insects of the family Cicadellidae that suck plant juices, many being serious crop pests.

Origin of leafhopper

An Americanism dating back to 1850–55; leaf + hopper
Also called jassid.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for leaf-hopper



any homopterous insect of the family Cicadellidae, including various pests of crops
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