guard DCHP-1 (pre-1967)
1 n. — Hist.
an enclosed pasture near a fur post or fort where spare horses were kept under surveillance.
See also: horseguard (def. 1)
2 n. — West
See quote.
3a 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: fireguard ((n.)) (def. 1)
3b 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)