Trousers – el pantalón
(Pronounced pan-tah-lon)
To remember that trousers is pronounced pan-tah-lon (pantalón) in Spanish, use the following mnemonic:
The thief was stealing his trousers, so he shouted: "Leave my pants alone!" (pantalón).
Pantalón is masculine, so it’s el pantalón. Imagine an elephant getting into a pair of trousers: