transitive verb
1. : loose , slip
cast off a hunting dog
2. : unfasten , unhitch
cast off a boat
: let go : untie
cast off a line
: loose from a mooring
3. : to bind off
4. : to measure (copy or set type) to determine the amount of printed matter that will be made or the space that will be occupied when set or reset in a particular face, size, and measure
intransitive verb
1. : to unfasten or untie a boat or a line
2. : to turn from one's partner in a country or square dance and pass around the outside of the set and back