(transitive) To assemble the parts of a mechanism, especially by connecting wires. / (transitive) To connect to something like a power supply or a signal source.

(colloquial) A pair of miniature valves right next to each other on a wall, connecting through the wall to the household plumbing, used to provide water to a washing machine. (They are usually red and blue, with the red one delivering hot water and the blue one delivering cold water.)

Alternative form of hookup

simple past tense and past participle of hook up

Third-person singular simple present indicative form of hook up

present participle of hook up