01 n. Holiness; sanctity; sacred oath; sacred things; sanctuary; -- used chiefly in oaths.
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1.
Holiness; sanctity; sacred oath; sacred things; sanctuary; -- used chiefly in oaths.[Archaic]“So God me help and halidom.” — Piers Plowman.“By my halidom, I was fast asleep.” — Shak.
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2.
Holy doom; the Last Day.[R.]