what is feijoas fruit
- Definition of FEIJOA. : the green round or oval juicy fruit of a shrub or small tree (Feijoa sellowiana) of the myrtle family that is native to South America and is grown commercially especially in New Zealand; also: the tree or shrub.ADVERTISEMENT. the green round or oval juicy fruit of a shrub or small tree (Feijoa sellowiana) of the myrtle family that is native to South America and is grown commercially especially in New Zealand; also: the tree or shrub. ADVERTISEMENT.