Beltane

Etymology
From the Celtic *belo-tanos "bright fire".

Proper noun

 * 1) The first day of May (since 1752); May Day, a Scottish quarter day, sometimes associated by Christians with the nearest Church Feast, the Invention of the Cross (May 3rd), and Whitsunday (May 15th).
 * 2) An ancient Gaelic/Celtic May Day holiday celebration, at which large bonfires were built on the hilltops, revived by Celtic neopagans.
 * 1) An ancient Gaelic/Celtic May Day holiday celebration, at which large bonfires were built on the hilltops, revived by Celtic neopagans.

Translations

 * Irish: Lá Bealtaine
 * Manx: Laa Boaldyn
 * Russian: Белте́йн
 * Scots: Beltane
 * Scottish Gaelic: Bealltainn, Là Bealltainn, Là Buidhe Bealltainn
 * Spanish: Belotenia, buenfuego