SEMIMONTHLY
semimonthly, bimonthly
(adjective) occurring twice a month; “a semimonthly publication”
semimonthly, bimonthly
(adverb) twice a month; “salaries are paid semimonthly”
semimonthly
(noun) a periodical that is published twice each month (or 24 issues per year)
Source: WordNet® 3.1
Etymology
Adjective
semimonthly (not comparable)
Occurring twice a month or at half month intervals.
Adverb
semimonthly (not comparable)
In a manner occurring twice a month or at half month intervals.
Noun
semimonthly (plural semimonthlies)
Something done or made every half month, especially a periodical.
Source: Wiktionary
Sem`i*month"ly a.
Definition: Coming or made twice in a month; as, semimonthly magazine; a
semimonthly payment.
– n.
Definition: Something done or made every half month; esp., a semimonthly
periodical.
– adv.
Definition: In a semimonthly manner; at intervals of half a month.
Source: Webster’s Unabridged Dictionary 1913 Edition