trasero

rear, back

adjective trah-SEH-rroh Less Common

Origin: From tras ('behind') + suffix -ero, from Latin trans.

Also means

buttocks (informal)

Usage Note

Trasero as an adjective means 'rear' or 'back' — asiento trasero ('back seat'), puerta trasera ('rear door'). As a masculine noun el trasero is an informal but not vulgar term for the buttocks, widely used across the Spanish-speaking world. The directional preposition tras ('behind/after') is its root and still used in formal writing.

Examples

"Los niños prefieren el asiento trasero del coche."

Natural Translation

Children prefer the back seat of the car.

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