Tract \Tract\, n. [Abbrev.fr. tractate.] A written discourse or dissertation, generally of short extent; a short treatise, especially on practical religion. [1913 Webster] The church clergy at that time writ the best collection of tracts against popery that ever appeared. --Swift. [1913 Webster] {Tracts for the Times}. See {Tractarian}. [1913 Webster]