DCHP-1 Online
trail-horse 
n. a horse adept in making his way along tortuous, rocky trails in the mountains.
- 1905 My old "Nigger," unsurpassed as a trail-horse, clever in fallen timber, excellent at fording streams, sure-footed on grassy slopes or rough, stony ground, dependable at all times when one is on his back, was utterly depraved when he was cast loose and would lead the other horses into mischief if any were practicable.
- 1905 My old "Nigger," unsurpassed as a trail-horse, clever in fallen timber, excellent at fording streams, sure-footed on grassy slopes or rough, stony ground, dependable at all times when one is on his back, was utterly depraved when he was cast loose and would lead the other horses into mischief if any were practicable.