A plant grown for its fiber used in textiles.

The plant's fiber used to make cloth.

कपास का रेशा

English Usage: She chose a dress made from 100% cotton plant fibers.

Hindi Usage: उसने 100% कपास के रेशों से बनी एक ड्रेस चुनी।

To cotton on - to understand or become aware of something.

समझ होना

English Usage: It took him a while to cotton on to the new rules.

Hindi Usage: उसे नए नियमों को समझने में समय लगा।