drum (noun) – el tambor
(Pronounced tam-bor)
To remember that drum is pronounced tam-bor (tambor) in Spanish, use the following mnemonic:
You play the drum, and I'll play the tambourine (tambor).

Tambor is masculine, so it's el tambor. Imagine an elephant playing a drum.

Examples of tambor (drum) in a sentence
El niño toca el tambor en la banda del colegio.
(The boy plays the drum in the school band.)
El sonido del tambor se escucha desde lejos.
(The sound of the drum can be heard from far away.)
Mi hermano quiere comprar un tambor nuevo.
(My brother wants to buy a new drum.)