Obs. [f. ACCUSTOM v. + -ER1, or a. OFr. acostumier, acustumier:late L. *accōstūmārius, f. cōstūma: see ACCUSTOM v.] ? A collector of customs. (So in OFr.)
1538. Leland, Itin., II. § 7. 97. The Accustumer of Bridgewater hath translatid this Place to a right goodly and pleasant dwelling house.