Webster’s Revised Unabridged Dictionary · 1913
Ben
Ben (bĕn), Ben′ nut′ . [Ar. bān, name of the tree.] (Bot.) The seed of one or more species of moringa; as, oil of ben. See Moringa.
Ben, adv. & prep. [AS. binnan; pref. be- by + innan within, in in.] Within; in; in or into the interior; toward the inner apartment. [Scot.]
Ben, n. [See Ben, adv.] The inner or principal room in a hut or house of two rooms; — opposed to but, the outer apartment. [Scot.]
Ben. An old form of the pl. indic. pr. of Be. [Obs.]