n. [ L. diastema, Gr. &unr_;, fr. &unr_;: cf. F. diastème. ] (a) Intervening space; interval. (b) (Anc. Mus.) An interval. [ 1913 Webster ]
‖n. [ L. See Diastem. ] (Anat.) A vacant space, or gap, esp. between teeth in a jaw. [ 1913 Webster ]