Entry 4 senses · 4 variants Webster, 1913 Ben /bĕn/ · IPA /bɛn/ adv. & prep. n. pl. indic. pr. 01 The seed of one or more species of moringa; as, oil of ben. See Moringa. 1. The seed of one or more species of moringa; as, oil of ben. See Moringa.(Bot.) See: Moringa 02 adv. & prep. Within; in; in or into the interior; toward the inner apartment. 1. Within; in; in or into the interior; toward the inner apartment.[Scot.] 03 n. The inner or principal room in a hut or house of two rooms; -- opposed to but, the outer apartment. 1. The inner or principal room in a hut or house of two rooms; -- opposed to but, the outer apartment.[Scot.] 04 pl. indic. pr. An old form of the pl. indic. pr. of Be. 1. An old form of the pl. indic. pr. of Be.[Obs.] See: Be