A tail is the rear part of an animal, often used as a means of balance or communication.

पूंछ

English Usage: The dog wagged its tail happily when it saw its owner.

Hindi Usage: कुत्ते ने अपने मालिक को देखकर खुशी से अपनी पूंछ हिलाई।

Referring to electromagnetic waves that are on the longer end of the wavelength spectrum, typically associated with radio waves or infrared radiation.