ametralladora
/ametɾaʝaˈdoɾa/ · B2 · noun · f
machine gun
🔫 ametralladora = metralla (shrapnel) + -dora (doer): a shrapnel-spraying thing
Comes from metralla, meaning shrapnel or small scrap bits, plus the -dora ending for a machine that does something. So an ametralladora is a feminine 'shrapnel-doer': it sprays many small bullets quickly.