A handbook.

A booklet that instructs on the usage of a particular machine or product.

(military) A drill in the use of weapons, etc.

(Christianity, historical) An old office-book like the modern Roman Catholic ritual.

(countable) A device operated by the hands or a human, such as a manual transmission in a vehicle, a keyboard for the hands on a musical instrument, or a manual typewriter.

(countable) A procedure or operation that is done using the hands or by a human rather than a machine, such as manual measurement of blood pressure or performing bicycle or skateboard maneuvers without the use of pedal force.

(uncountable) Manual control or operation.

(of an activity) Performed with the hands.

(of a machine, device etc.) Operated by means of the hands.

Performed by a human rather than a machine.