someone who cuts or carves stone
"The skilled cutter carefully shaped the rough marble into a smooth statue."
someone whose work is cutting (as e.g. cutting cloth for garments)
"The skilled cutter carefully measured and sliced the fabric to create a perfect dress pattern."
a boat for communication between ship and shore
"The cutter sped across the bay to deliver urgent messages between the distant ship and the coastal station."
a sailing vessel with a single mast set further back than the mast of a sloop
"The historic cutter was distinguished from similar ships by its single mast, which was positioned noticeably further aft than that of a typical sloop."
a cutting implement; a tool for cutting
"The old carpenter used his rusty cutter to trim down the splintered wood."
A person or device that cuts (in various senses).
"The skilled cutter sliced through the thick rope with a single, clean motion."
In plain English: A cutter is someone who cuts things, often used to describe a person on a ship responsible for trimming sails or cutting ropes.
"The old cutter boat was once used by fishermen to catch herring off the coast."
Usage: A cutter refers to either a specialized knife used in specific trades like glassblowing or shipbuilding, or the crew member who operates such tools. When referring to people, it is often confused with "carver," but while carvers shape material by removing pieces, cutters primarily slice through substances using sharp blades.
A surname.
"The famous baseball player named Cutter hit three home runs in the series."
The word comes from Middle English and originally referred to a person who cuts something. It entered modern usage as an agent noun formed by adding the suffix "-er" to the verb "cut.