bimonthly

(noun) a periodical that is published twice a month or every two months (either 24 or 6 issues per year).

(adj) occurring twice a month. Synonyms: semimonthly. Example: "A semimonthly publication."

(adj) occurring every two months. Synonyms: bimestrial. Example: "Bimonthly visits."

(adv) twice a month. Synonyms: semimonthly. Example: "Salaries are paid semimonthly."

(adv) every two months. Example: "The bill was payable bimonthly."