Feminine of a presumed derivative from an obsolete primary; an olive (the tree or the fruit) -- olive (berry, tree).
1. an olive tree: Romans 11:17, 24; plural Revelation 11:4. τό ὄρος τῶν ἐλαιῶν (for הַזֵּיתִים הַר, Zechariah 14:4), the Mount of Olives, so called from the multitude of olive-trees which grew upon it, distant from Jerusalem (Josephus, Antiquities 20, 8, 6) five stadia eastward (cf. Winers RWB, under the word Oelberg; Arnold in Herzog x., p. 549ff; Furrer in Schenkel iv. 354f; (Grove and Porter in BB. DD.)): Matthew 21:1; Matthew 24:3; Matthew 26:30; Mark 11:1; Mark 13:3; Mark 14:26; Luke 19:37; Luke 22:39; John 8:1 Rec.; (on Luke 19:29; Luke 21:37, see ἐλαιῶν).
2. an olive, the fruit of the olive-tree: James 3:12.