Source : Webster's Revised Unabridged Dictionary (1913)

Azarole \Az"a*role\, n. [F. azerole, the name of the fruit, fr.
   Ar. az-zo'r?r: cf. It. azzeruolo, Sp. acerolo.] (Bot.)
   The Neapolitan medlar ({Crat[ae]gus azarolus}), a shrub of
   southern Europe; also, its fruit.