The term 'Zebu Feature' is a crossword solution that consists of the word 'HUMP', which is a four-letter word. A zebu feature is a HUMP on the shoulder of a zebu, which is a type of cattle found in India and other parts of Asia. The HUMP is made up of fatty tissue and is used as a source of energy for the animal during times of drought or famine. Zebu are also known for their long horns and distinctive coloration.