Entry 3 senses · 2 variants Webster, 1913 Oliver /äl'-əv-ẽr/ · Ol·i·ver · IPA /ˈɑlɪvɚ/ n. n. 01 n. An olive grove. 1. An olive grove.[Obs.] 2. An olive tree.[Obs.] 02 n. A small tilt hammer, worked by the foot. 1. A small tilt hammer, worked by the foot.