1.NounA device used for cutting grass to a chosen height, typically of landscaped lawns of residences or institutions.
"We replaced our old electric lawnmower with a new cordless one."
2.NounA person who landscapes and in particular mows lawns.
"We hired a third lawnmower for the spring and summer."
3.NounA dance move in which the dancer mimics using a petrol lawn mower by pulling the starter cord and then pushing the mower forwards to the beat of the music.