† accustomerObs. [f. accustom v. + -er1, or a. OFr.acostumier, acustumier:—late L. *accōstūmārius, f.cōstūma: see accustom v.] ? A collector of customs. (So in OFr.) 1538Leland Itin. II. §7. 97 The Accustumer of Bridgewater hath translatid this Place to a right goodly and pleasant dwelling house.