(1):

(a.) Coming, happening, or done once a week; hebdomadary; as, a weekly payment; a weekly gazette.

(2):

(a.) Of or pertaining to a week, or week days; as, weekly labor.

(3):

(n.) A publication issued once in seven days, or appearing once a week.

(4):

(adv.) Once a week; by hebdomadal periods; as, each performs service weekly.