Hal"i*dom (hăl"&ibreve;*dŭm), n. [AS. hāligdōm holiness, sacrament, sanctuary,
relics; hālig holy + - dōm, E. -dom. See Holy.]
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.
2. Holy doom; the Last Day. [R.] Shipley.