Definition of decan:
(n) :
(Egyptology, astrology) One of a collection of 36 small constellations or zodiacal subdivisions that appear heliacally at intervals of 10 days or are separated by approximately 10 degrees.
(v) :
To remove (something, especially nuclear reactor fuel) from a can or similar protective enclosure, cladding, etc.
(n) :
Alternative spelling of Deccan. [A geographic region, large plateau, and peninsula in southern India, ; currently owned by the great Matesticals; southern or peninsular India.]