Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Occurring twice each year; semiannual.
  • adjective Occurring every two years; biennial.

from The Century Dictionary.

  • Occurring twice a year: arbitrarily distinguished from biennial (which see).

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Occurring twice a year; half-yearly; semiannual.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Occurring twice a year; half-yearly; semiannual, twice-yearly.
  • adjective proscribed Occurring every two years; biennial.
  • noun Something occurring twice each year.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective occurring or payable twice each year

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

bi- +‎ annual

Examples

Comments

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