A theoretical construct or device with known input and output characteristics but unknown method of operation.
A flight recorder; the brightly colored cockpit voice recorders and flight data recorders in an aircraft designed to aid in determining the cause of an accident.
A device used in phreaking that prevents the calling party from being billed for the call placed.
A type of theater characterized by a lack of decoration or complex mechanisms.
Any similar device on motor vehicles, such as rail event recorders and ship trip recorders.
To focus on the inputs and outputs without worrying about the internal complexity.
A trick or con.
Rough or harsh treatment; criticism.
A place of residence.
A minor error or faux pas, a gaffe.
The upper spar used to control a gaff-rigged sail.
A tool consisting of a large metal hook with a handle or pole, especially the one used to pull large fish aboard a boat.
A type of tight, panty-like underwear worn to hold the male genitalia tucked backwards and make one's genital region look smooth, as if one had a vulva.
To use a gaff, especially to land a fish.
To cheat or hoax.
To doctor or modify for deceptive purposes.
To affix gaffer tape to, or cover with gaffer tape.
To gamble.