noun, masculine/feminine/maɾtiˈʝeɾo/plural: martilleros
martillero is masculine or feminine depending on context in Spanish.
auctioneer
Synonyms: subastador
Etymology tree Spanish martillo Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -ārius Spanish -ero Spanish martillero From martillo (“hammer; gavel”) + -ero.