Definitions for "Mower"
Keywords:  lawn, groundsman, albeit, tool, fungal
One who, or that which, mows; a mowing machine; as, a lawn mower.
garden tool for mowing grass on lawns
a dangerous tool never to be used as a toy nor to be used without care no matter how simple the lawn job may be
Making hay requires the forage to be cut. Traditionally a sickle-bar mower was used perhaps in combination with a swather and/or conditioner. Rotary or disc mowers are now more common. See http://www.sheepscreek.com/rural/haying.html