CATS

noun

1. An animal of the family Felidae:
2. A person:
3. A strong tackle used to hoist an anchor to the cathead of a ship.

verb

1. To hoist (the anchor) by its ring so that it hangs at the cathead.
2. To flog with a cat-o'-nine-tails.
3. To vomit.

noun

1. A program and command in Unix that reads one or more files and directs their content to the standard output.