Akademik

semiweekly
I
noun
a periodical that is published twice each week (or 104 issues per year)
Hypernyms: ↑series, ↑serial, ↑serial publication
II
adjective
occurring twice a week
Syn: ↑biweekly
Similar to: ↑periodic, ↑periodical
III
adverb
twice a week
-

he called home semiweekly

Syn: ↑biweekly
Derived from adjective: ↑biweekly (for: ↑biweekly)

Useful english dictionary. 2012.