قید ( adverb )
• (1) تعریف: three times per week.
• (2) تعریف: one time every three weeks.
صفت ( adjective )
• (1) تعریف: happening or appearing three times a week.
• (2) تعریف: happening or appearing once every three weeks.
اسم ( noun )
حالات: triweeklies
حالات: triweeklies
• : تعریف: a triweekly publication or periodical.