'Triweekly' definitions:
Definition of 'Triweekly'
From: GCIDE
- Triweekly \Tri"week`ly\, a. [Pref. tri- + weekly.] Occurring or appearing three times a week; thriceweekly; as, a triweekly newspaper. -- adv. Three times a week. -- n. A triweekly publication. [1913 Webster]
- Note: This is a convenient word, but is not legitimately formed. It should mean occurring once in three weeks, as triennial means once in three years. Cf. Biweekly. [1913 Webster]