Of or pertaining to the hand; performed, made, or used by the hand; employing the hands: as, manual dexterity or skill; manual labor; a manual operation; the manual arts.Having hands.In zoology, of or pertaining to the manus or hand: distinguished from pedal: as, manual muscles, those which lie wholly in the hand.n. A small book, such as may be carried in the hand or conveniently handled; especially, a book of convenient size containing the elements of a science, a collection of rules, or the like, designed for use as a text-book or as a reference-book: as, a manual of laws.—2. Specifically, an office-book of the medieval Catholic Church in England, containing the form to be observed by priests in the administration of the sacraments of communion (out of mass), baptism, penance, marriage, and extreme unction, and in churchings, burials, etc.n. In music: In a musical instrument, a key or lever for the hands or fingers; a digital. See key, 4 , and keyboard.n. In organs, a keyboard for the hands: opposed to pedal: as, an organ with two manuals. Abbreviated M.n. A fire-engine worked by hand, as distinguished from the more modern steam fire-engine. See fire-engine.