Wikipedia:

Fruit tree

Summary:

a tree bearing fruit that is consumed or used by people — all trees that are flowering plants produce fruit, which are the ripened ovary of a flower containing one or more seeds. In horticultural usage, the term 'fruit tree' is limited to those that...  (44 of 293 words, 2 images)

Link:

http://en.wikipedia.org/wiki/Fruit tree  [cite]

Encarta:

fruit tree | fruit trees [plural]

Summary:

a tree cultivated for its fruit  (6 of 18 words)

Link:

http://encarta.msn.com/dictionary 1861690856/definition.html  [cite]

Wiktionary:

fruit tree | fruit trees [plural]

Summary:

A tree that bears a crop of edible fruit on a regular basis.  (13 of 14 words)

Link:

http://en.wiktionary.org/wiki/fruit tree  [cite]

Random House:

fruit tree

Summary:

a tree bearing edible fruit.  (5 of 7 words)

Link:

http://dictionary.infoplease.com/fruit-tree  [cite]