fei·jo·a 
(fā-zhôə, -jō-, -hō-)
(fā-zhôə, -jō-, -hō-)n.
An evergreen shrub (Acca sellowiana syn. Feijoa sellowiana) native to South America and cultivated as an ornamental and for its sweet, tart fruit. Also called pineapple guava.
[New Latin Feijoa, former genus name, after João da Silva Feijó (1760-1824), Brazilian soldier and naturalist.]