noun, masculine/kasiˈʝeɾo/plural: casilleros
casillero is masculine in Spanish.
pigeonhole; locker
Synonyms: alacena, locker, taquilla
Etymology tree Spanish casilla Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -ārius Spanish -ero Spanish casillero From casilla + -ero.