noun, masculine/almiˈɾeθ/plural: almireces
almirez is masculine in Spanish.
large mortar (as in, mortar and pestle)
“Papitos cogió la mano del almirez, haciendo el ademán de machacar al señorito la cabeza.” — Papitos grabbed the handle of the pestle, pretending to crush the young man's head.
Borrowed from Arabic مِهْرَاس (mihrās), via Andalusian Arabic.