To cause to go on board a vessel or boat; to put on shipboard.
To start, begin.
To get on a boat or ship or (outside the USA) an aeroplane.
To engage, enlist, or invest (as persons, money, etc.) in any affair.
To put to the right, or starboard, side of a vessel.
The righthand side of a ship, boat or aircraft when facing the front, or fore or bow. Used to unambiguously refer to directions according to the sides of the vessel, rather than those of a crew member or object.
One of the two traditional watches aboard a ship standing a watch in two.