Talk:biennial
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adjective 1. two-yearly: happening every two years Microsoft® Encarta® 2009.
--Backinstadiums (talk) 17:35, 27 October 2019 (UTC)
an event occurring once in two years.[edit]
An event occurring once in two years. --Backinstadiums (talk) 09:16, 12 October 2020 (UTC)