biweekly

from WordNet (r) 3.0 (2006)

biweekly
    adv 1: twice a week; "he called home semiweekly" [syn:
           {semiweekly}, {biweekly}]
    2: every two weeks; "he visited his cousins fortnightly" [syn:
       {fortnightly}, {biweekly}]
    adj 1: occurring every two weeks [syn: {fortnightly},
           {biweekly}]
    2: occurring twice a week [syn: {semiweekly}, {biweekly}]
    n 1: a periodical that is published twice a week or every two
         weeks (either 104 or 26 issues per year)

from The Collaborative International Dictionary of English v.0.48

Biweekly \Bi"week`ly\, a. [Pref. bi- + weekly.]
   Occurring or appearing once every two weeks; fortnightly. --
   n. A publication issued every two weeks. -- {Bi"week"ly},
   adv.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

44 Moby Thesaurus words for "biweekly":
      annual, biannual, biennial, bimonthly, catamenial, centenary,
      centennial, daily, daybook, decennial, diary, diurnal, ephemeris,
      fortnightly, gazette, hebdomadal, hourly, journal, magazine,
      menstrual, momentary, momently, monthly, newsmagazine, organ,
      periodical, pictorial, quarterly, quotidian, review, secular,
      semestral, semiannual, semimonthly, semiweekly, semiyearly, serial,
      slick magazine, tertian, trade magazine, triennial, weekly,
      yearbook, yearly

[email protected]