This text comes from Songs of the Cowboys, a historical songbook transcribed on Wikisource and reproduced from the pinned revision linked below.
Baquero (vaquero)
A cowpuncher
Blocker
A large loop made with a rope
Bronco
An untamed horse
Broom’y, broom tails
Range mares
Buckaroo
A cowpuncher
Caballada
A bunch of horses
Cabresto
A rope
Chaps, chaparreras
Leather leggins
Cincha
A girth for saddle
Corral
A pen or enclosure
Crinolina
Hoop-skirt. An expression used to describe spinning a rope
Cuarta
A whip
Dale vuelta
Used in giving turns of rope around saddle horn
Freno
A bridle
Grazin bits
A snaffle or easy curb
Jáquima
A halter
Kack
A saddle
Lasso
A loop, or to catch
Latigo
A strap from cinch to saddle
Maguey
A Mexican catch rope
Manada
A bunch of mares
Maverick
An unbranded animal
Mesteño
A wild horse
Montura
A saddle
Morral
A feed bag
Mustang
A wild horse
Outlaw
A horse which has been spoiled in breaking
Reata
A rope
Remuda
A bunch of saddle horses or relay
Rodéo
A round-up
Slick
An unbranded calf
Taps, tapaderas
Stirrup coverings
Tarp
A canvas bed sheet
Vaquero
A cowpuncher
Waddie
A cowpuncher
Willows
Range mares
Wrangler
A man who looks after and outfits saddle horses