Definitions of manual:

• noun:   a small handbook
• noun:   (military) a prescribed drill in handling a rifle
• adjective:   of or relating to the hands

  Example: "Manual dexterity"

• adjective:   requiring human effort

  Example: "A manual transmission"

• name:  A male given name (rare: 1 in 25000 males; popularity rank in the U.S.: #1139)
• name:  A surname (very rare: popularity rank in the U.S.: #46432)