(idiomatic) Of two things, to be closely related or to go together well; see hand in hand. / (literally) Of two people, to hold hands.

present participle of go hand in hand

(nautical) by passing the hands alternately one before or above the other, especially with rope / rapidly

Alternative form of secondhand

An intermediate person or means; intermediary.

On a clock or watch, the hand or pointer that shows the number of seconds that have passed.

A small hole in a steam boiler for the insertion of the hand in cleaning, etc.

Held in one or both hands. / Small and light enough to be operated while held in one or both hands.

(computing) A personal digital assistant or video game console that is small enough to be held in the hands.

As tight as can be made by the strength of one's hand wielding a standard tool: that is, without special equipment or leverage.