pilot

1. pilot (noun) — sense 1

Definition: A person who steers a ship, a helmsman.

Example: They scud before the wind, and sail in open sea.
Ahead of all the master pilot steers;
And, as he leads, the following navy veers.

2. pilot (noun) — sense 2

Definition: A person who knows well the depths, shoals, and currents of a harbor or coastal area, who is hired by a vessel to help navigate the harbor or coast.

3. pilot (noun) — sense 3

Definition: A guide book for maritime navigation.

4. pilot (adj) — sense 4

Definition: Made or used as a test or demonstration of capability.

Example: a pilot run of the new factory

5. pilot (adj) — sense 5

Definition: Used to control or activate another device.

Example: a pilot light

6. pilot (adj) — sense 6

Definition: Being a vehicle to warn other road users of the presence of an oversize vehicle or combination.

Example: a pilot vehicle

7. pilot (verb) — sense 7

Definition: To control (an aircraft or watercraft).

Example: I have visited more than half a dozen carrier training facilities, spent over 150 hours on jumpseats, piloted a Lockheed 1011 from MIA to LAX, visited numerous towers, rapcons, and centers, and discussed our commercial Air Transport System with everyone involved.

8. pilot (verb) — sense 8

Definition: To guide (a vessel) through coastal waters.

9. pilot (verb) — sense 9

Definition: To test or have a preliminary trial of (an idea, a new product, television show, etc.)