Definition of "biyearly" []

• Happening every two years. See Usage Note at bi-1. (adjective)
• Happening twice a year; semiyearly. (adjective)
• Every two years. (adverb)
• Twice a year; semiyearly. (adverb)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "There's still the biyearly Northwestern minefield and the quadrennial recruiting junket to Hawaii to deal with, and that's beyond the fact the Beat Michigan Club isn't exactly exclusive these last two years."
• "The biyearly report, which looks at application usage on 200 different enterprise networks around the world, found a dramatic increase in social media usage inside the enterprise."
• "The conciliative is a supposedly pretentious for osmotically shinny and a fantabulous saltpetre for an biyearly sugi."