broncho

US: (brong′kō)

WordReference Random House Unabridged Dictionary of American English © 2025

bron•cho  (brong′kō), n., pl. -chos. 

1. Dog and Cat Breeds bronco.

broncho-, 

1. a combining form representing bronchus or bronchia in compound words:
   bronchopneumonia.
   Also,[esp. before a vowel,] bronch-. 

WordReference Random House Learner's Dictionary of American English © 2025

bron•co /ˈbrɑŋkoʊ/  also bronc /brɑŋk/   n. [countable] , pl. bron•cos also broncs. 

1. Dog and Cat Breeds a pony or mustang of the western U.S., esp. one that is not tamed or is imperfectly tamed:
   trying to ride a bucking bronco.

WordReference Random House Unabridged Dictionary of American English © 2025

bron•co  (brong′kō), n., pl. -cos. 

1. Dog and Cat Breeds a range pony or mustang of the western U.S., esp. one that is not broken or is imperfectly broken.

Also, bronc, broncho. 

• Mexican Spanish, short for Spanish potro bronco untamed colt (in Mexican Spanish: wild horse, half-tamed horse); bronco, apparently nasalized variant of Latin broccus; see broach
• 1865–70, American.

Collins Concise English Dictionary © HarperCollins Publishers::

broncho-, (before a vowel)bronch- combining_form

1. indicating or relating to the bronchi: bronchitis

Etymology: from Greek: bronchus

Collins Concise English Dictionary © HarperCollins Publishers::

bronco, broncho / ˈbrɒŋkəʊ/ noun ( -cos, -chos)

1. (in the US and Canada) a wild or partially tamed pony or mustang of the western plains

Etymology: 19th Century: from Mexican Spanish, short for Spanish potro bronco unbroken colt, probably from Latin broccus projecting (as knots on wood), hence, rough, wild