noun

1. the act of cutting off; esp., the limit or ending set for a process, activity, etc.
2. a road or passage that cuts across, shortening the distance
3. ☆
   1. a new and shorter channel cut by a river across a bend, or dug out to straighten it
   2. the water thus cut off
4. the act of stopping steam, etc. from entering the cylinder of an engine
5. any device for cutting off the flow of a fluid, a connection, etc.
6. ☆ jeans with the legs cut off at or above the knees, or shorts made to look like this

adjective

1. of an arbitrary ending or limit cutoff date
2. Baseball having to do with a fielder who is in a position to relay a throw from an outfielder to an infielder in an attempt to put out a base runner