decan / dekan / deccan [ˈdɛkən]
decan – n. – 1. any of the 3 divisions of 10 degrees in each sign of the zodiac; 2. rulers of such a division
dekan – n. – of 36 equal subdivisions of the equatorial belt of the celestial sphere including the ecliptic and starts contained in it, used in ancient Egyptian astronomy
deccan – n. – a triangular plateau in South India bounded by the Malakar Coast in the west, the Coromandel Coast in the east and by the Vindhaya Mountains in the north