DCHP-1 Online
back trail take no back trail 
1a a track leading to a starting place; the trail back.
- 1913 Then . . . they "mushed" the dogs on the back trail . . . .
- 1955 Twenty tons of pounding beef hit the back trail for their home range.
1b refuse to turn back; never give up.
- 1912 Mclvor was of the kind that takes no back trail.
2 a track or trace remaining as evidence of something having passed.
- 1913 Morning found them fully ten miles on their way, with no back trail, and the blizzard was lessening perceptibly.
- 1921 The back trail will tell him if the animal was travelling fast or slow, whether it was fleeing in fright.or feeding. . . .
- 1913 Then . . . they "mushed" the dogs on the back trail . . . .