Quadrangular a. : Having four angles, and consequently four sides; tetragonal.

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Taxonomy
Hindus, Europeans, Parsis, tournament, Bombay Quadrangular, Bombay, Parsees, Bombay Gymkhana, Gymkhana, game, Bombay Triangular, Bombay Pentangular, Hindu Gymkhana, cricket tournament, Tournament winners, Indians, free encyclopedia, cricket.

Defination from the web:
Quadrangular was an influential cricket tournament held in Bombay, India (now known as Mumbai) from 1912 to 1936. ... The Quadrangular tournament had its origins in an annual match played between the European members of the Bombay Gymkhana and the Parsis of the Zoroastrian ...