The Collaborative International Dictionary
To keep the land aboard
Aboard \A*board"\, adv. [Pref. a- on, in + board.]
On board; into or within a ship or boat; hence, into or within a railway car.
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Alongside; as, close aboard. [1913 Webster] (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.