Semimonthly :: Semimonthly (a.) Coming or made twice in a month; as, semimonthly magazine; a semimonthly payment..
Semimonthly :: Semimonthly (n.) Something done or made every half month; esp., a semimonthly periodical..
Semimonthly :: Semimonthly (adv.) In a semimonthly manner; at intervals of half a month.