Talk:biennial

two-yearly
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.
An event occurring once in two years. --Backinstadiums (talk) 09:16, 12 October 2020 (UTC)