1. round fruit which grows on trees (usually red, green or yellow). the big town, the main stem, harlem. appleapple (ăpp'l), n. [oe. appel, eppel, as. ?ppel, ?pl; akin to fries. & d. appel, ohg, aphul, aphol, g. apfel, icel. epli, sw. ?ple, dan. ?ble, gael. ubhall, w. afal, arm. aval, lith. obůlys, russ. iabloko; of unknown origin.]