â¢ Massaging the scalp with a mixture of apple cider vinegar and water is another natural cure for reducing Itchy Scalp considerably. To prepare this home remedy, mix one part of apple cider vinegar in four parts of warm water.
first mate â(plural first mates) (nautical) An officer on a merchant ship next in rank to the captain and responsible to the captain for the safety and security of the ship. chief officer.
For other uses, see Co-pilot (disambiguation). In commercial aviation, the first officer is the second pilot (also referred to as the co-pilot) of an aircraft. The first officer is second-in-command of the aircraft to the captain, who is the legal commander. In the event of incapacitation of the captain, the first officer will assume command of the aircraft.