Angle grinder, hand held power toolGrinding machine, used in a machining operation to refine the surface of materialsTool and cutter grinder, a machine used to manufacture or resharpen cutting toolsCoffee grinder, a machine used for grinding coffeeHerb grinder, a grinder used for herbs and plants including tobaccoMeat grinder, a machine used for grinding foodWet grinder
People
John Grinder (born 1940), co-founder of Neuro-Linguistic ProgrammingBob Baker (boxer) (1926-2002), American heavyweight boxer nicknamed "The Grinder"Michael Mizrachi (born 1981), American professional poker player nicknamed "The Grinder"
Places
Grinder, Norway, a villageGrinder Island, Marshall Archipelago, AntarcticaGrinder Rock, Palmer Archipelago, Antarctica
Other uses
A regional name for a submarine sandwichGrinder (hockey), an ice hockey player whose primary function is checking opponentsHMS Grinder, several ships of the Royal NavyOrgan grinder, the operator of a street organGrinder (band), a German speed/thrash band from the late 80s and early 90sGrinders (footwear), a footwear brandThe Grinder, a video gameMlynek, a board game also known as GrinderGrinder (yachting), a person whose job on a boat is to manually power the winches used to hoist and trim sailsThe Grinder (software), a tool for performance- and stress-testing websites during development