"tiller" in the noun sense
a shoot that sprouts from the base of a grass
someone who tills land (prepares the soil for the planting of crops)
lever used to turn the rudder on a boat
4. cultivator, tiller
a farm implement used to break up the surface of the soil (for aeration and weed control and conservation of moisture)
"tiller" in the verb sense
1. stool, tiller
grow shoots in the form of stools or tillers
Source: WordNet® (An amazing lexical database of English)
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