Dictionary entry

Abaft

Webster's Dictionary 1913

A‐baft″ (ȧ‐bȧft″), prep. [Pref. a- on + OE. baft, baften, biaften, AS. beæftan; be by + æftan behind. See After, Aft, By.] (Naut.) Behind; toward the stern from; as, abaft the wheelhouse.

Abaft the beam. See under Beam.