A hill of sand generally formed by the wind in deserts or coastal regions.

रेत का टीला

English Usage: The children enjoyed sliding down the steep dune at the beach.

Hindi Usage: बच्चों ने समुद्र तट पर खड़े रेत के टीले से फिसलने का आनंद लिया।

A word rarely used, sometimes referred to as a slang or informal term for something undesirable.

अवांछनीय चीज

English Usage: He considered the old furniture nothing but salack.

Hindi Usage: उसने पुराने फर्नीचर को केवल अवांछनीय चीज समझा।