Adjective biweekly has 2 senses
  1. semiweekly, biweekly - occurring twice a week
  2. fortnightly, biweekly - occurring every two weeks
,Adverbial biweekly has 2 senses
  1. semiweekly, biweekly - twice a week; "he called home semiweekly"
  2. fortnightly, biweekly - every two weeks; "he visited his cousins fortnightly"
,Noun biweekly has 1 sense
  1. biweekly - a periodical that is published biweekly
    --1 is a kind of
    series, serial, serial publication
,
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