Bot. Forms: 7 azeroll, 8 azerole, 7–9 azarole. [a, F. azerole (written by Tournefort azarole), cogn. with Sp. acerolo, azarolla, Pg. azerola, It. azzeruola, ad. Arab. az-zusrūr, applied to the same fruit.] The fruit of the Neapolitan Medlar, a species of hawthorn (Cratægus azarolus); also applied to the tree itself, sometimes called, after Fr., Azerolier.
1658. Evelyn, Fr. Gard. (1675), 268. Cormes, services, azerolls, and the like. Ibid. (1693), De la Quint. Compl. Gard., 67. Quinces bear almost in the same manner with Rasberries, Azeroliers, and Pomegranates. Ibid. (Dict.) Azeroll-Trees, ar Garden-Haw-Trees, which are usually planted against Walls.
1725. Bradley, Fam. Dict., s.v., The Azerole is indeed a kind of Medlar.
1864. Mrs. Wood, Trev. Hold, II. i. 1. Leaping a dwarf hedge of azaroles.
