Special custom
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
A particular or local custom; one which, in respect to the sphere of its observance, does not extend throughout the entire state or country, but is Confined to some particular district or locality.
1 Bl. Comm. 67; Bodfish v. Fox, 23 Me. 95, 39 Am. Dec. 6il.