fireguard ((n.)) DCHP-1 (pre-1967)
1 n.
a strip of land, usually ploughed but sometimes burned free of grass, intended to stop the advance of a grass fire or a prairie fire.
See also: firebreak (def. 2) guard (def. 3a)
2 n.
in the bush, a strip of land cleared of trees and brush and intended to stop the advance of a forest fire.
See also: firebreak (def. 3)