n. - One employed to steer a vessel; a helmsman; a steersman.
n. - Specifically, a person duly qualified, and licensed by authority, to conduct vessels into and out of a port, or in certain waters, for a fixed rate of fees.
n. - Figuratively: A guide; a director of another through a difficult or unknown course.
n. - An instrument for detecting the compass error.
n. - The cowcatcher of a locomotive.
v. t. - To direct the course of, as of a ship, where navigation is dangerous.
v. t. - Figuratively: To guide, as through dangers or difficulties.
n. - One who flies, or is qualified to fly, a balloon, an airship, or a flying machine.
n. - A short plug at the end of a counterbore to guide the tool. Pilots are sometimes made interchangeable.
n. - The heading or excavation of relatively small dimensions, first made in the driving of a larger tunnel.
v. t. - To fly, or act as pilot of (an aircraft).