wild olive

Short definition from Wiktionary

Noun

1. 1
   Any of several species resembling a typical olive tree from plant families some of which are only very distantly related: Bontia daphnoides (family Scrophulariaceae; bastard olive)
2. 2
   Several species in the genus Elaeagnus (family Elaeagnaceae): Elaeagnus angustifolia (silver berry, oleaster, Persian olive)
3. 3
   Several species in the genus Elaeagnus (family Elaeagnaceae): Elaeagnus latifolia (oleaster)
4. 4
   Any of several species resembling a typical olive tree from plant families some of which are only very distantly related: Halesia carolina (family Styracaceae; Carolina silverbell, little silverbell)
5. 5
   Any of several species resembling a typical olive tree from plant families some of which are only very distantly related: Nyssa aquatica, an American swamp-growing tree (family Cornaceae; water tupelo)
6. 6
   Subspecies of Olea europea, which includes the cultivated olive (family Oleaceae): Olea europaea subsp. cuspidata
7. 7
   Subspecies of Olea europea, which includes the cultivated olive (family Oleaceae): Olea europaea subsp. europaea (syn. Olea oleaster)
8. 8
   Any of several species resembling a typical olive tree from plant families some of which are only very distantly related: Cartrema americana (syn. Osmanthus americanus; devilwood, American olive; family Elaeagnaceae)