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Webster 1913 Edition

Noun.

A support for wood in a fireplace; an andiron.

See also: fire dog

Fire dogs from the 11th to 9th c. BC

firedog ‎(plural firedogs)

(archaeology) Bronze Age artifact used in worshipping either bulls or the moon, or as a holder for wooden logs to be used in a fire altar.
(US) Either of a pair of horizontal metal supports for holding logs in a fireplace

Bronze Age artifact

horizontal metal support for holding logs