- Bengali Word কর্কট, ককর্কটEnglish definition(noun) (1) a ten-legged shellfish having a rounded body and strong claws; the crab. (2) (medical) malignant growth in the body having the appearance of a crab which gradually consumes the tissues of the body; cancer. (3) (astrology) the constellation of the crab; the fourth sign of the zodiac; Cancer. কর্কটক্রান্তি (noun) parallel of latitude 23° 27’ north of the equator; the Tropic of Cancer.