[pis-tl-air-oh; Spanish pees-taw-le-raw]
noun, plural pis·to·le·ros [pis-tl-air-ohz; Spanish pees-taw-le-raws] /ˌpɪs tlˈɛər oʊz; Spanish ˌpis tɔˈlɛ rɔs/. (esp. in Mexico and Central America)
a member of an armed band of roving mounted bandits.
a gunman or hired killer.
Origin of pistolero
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
1937, from Spanish; see pistolier.
Online Etymology Dictionary, © 2010 Douglas Harper