Tysonian,a.Anat.|taɪˈsəʊnɪən| [f. proper name Tyson(seedef.) + -ian.] Pertaining to or discovered by Edward Tyson, an English anatomist (1649–1708); applied to the sebaceous glands of the prepuce, also called Tyson's glands. 1891in Cent.Dict.1900–13in Dorland Med.Dict.