The definition of a tiller is a person or machine that turns over soil for planting crops, a handle that turns the rudder of a boat, or a shoot growing from the base of a plant.(noun)
See tiller in Webster's New World College Dictionary
Origin: ME tiler, stock of a crossbow < OFr telier, weaver's beam < ML telarium < L tela, web (see toil): naut. sense prob. infl. by ME tillen, to reach
Origin: < OE telgor (extension of telga, a branch, bough, shoot)
See tiller in American Heritage Dictionary 4
Origin: Middle English tiler, stock of a crossbow
Origin: , from Old French telier
Origin: , from Medieval Latin tēlārium, weaver's beam
Origin: , from Latin tēla, web, weaver's beam; see teks- in Indo-European roots.
Origin: Middle English *tiller
Origin: , from Old English telgor.
Learn more about tiller