To heat again or to warm up something that has already been cooked.

To warm up a previously cooled down object or substance.

पहले से ठंडा हुए वस्तु को गर्म करना

English Usage: "Make sure to reheat the soup before serving."

Hindi Usage: "सर्व करने से पहले सूप को फिर से गर्म करना न भूलें।"