One entry found for
buckaroo.
Main Entry:
buck·a·roo 
Pronunciation:
b
k-
-
rü,
b
k-
-
rü
Function:
noun
Inflected Form(s):
plural -roos
Etymology: an altered form of Spanish
vaquero "cowboy," from
vaca "cow," from Latin
vacca "cow" --related to
VACCINE,
VAQUERO --see
Word History at
VACCINE
: COWBOY