Peculiar \Pe*cul"iar\, n. 1. That which is peculiar; a sole or exclusive property; a prerogative; a characteristic. Revenge is . . . the peculiar of Heaven. --South. 2. (Eng. Canon Law) A particular parish or church which is exempt from the jurisdiction of the ordinary. {Court of Peculiars} (Eng. Law), a branch of the Court of Arches having cognizance of the affairs of peculiars. --Blackstone. {Dean of peculiars}. See under {Dean}, 1.