aboardadv.[Pref. a- on, in + board.]1. On board; into or within a ship or boat; hence, into or within a railway car.()2. Alongside; as, close aboard.()(Naut.): To fall aboard of, to strike a ship's side; to fall foul of. -- To haul the tacks aboard, to set the courses. -- To keep the land aboard, to hug the shore. -- To lay (a ship) aboard, to place one's own ship close alongside of (a ship) for fighting.()prep.1. On board of; as, to go aboard a ship.()2. Across; athwart.()Nor iron bands aboard
The Pontic Sea by their huge navy cast. (Spenser.)