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Webster 1913 Edition
Beltane
Bel′tane
,Noun.
[Gael.
bealltainn
, bealltuinn
.] 1.
The first day of May (Old Style).
The quarter-days anciently in Scotland were Hallowmas, Candlemas,
Beltane
, and Lammas. New English Dict.
2.
A festival of the heathen Celts on the first day of May, in the observance of which great bonfires were kindled. It still exists in a modified form in some parts of Scotland and Ireland.