triweekly

Tri"week`ly, a. Etym: [Pref. tri- + weekly.] Defn: Occurring or appearing three times a week; thriceweekly; as, a triweekly newspaper. -- adv. Defn: Three times a week. -- n. Defn: A triweekly publication. 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.

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