tilak (?t?l?k) n, pl -ak or -aks (Hinduism) a coloured spot or mark worn by Hindus, esp on the forehead, often indicating membership of a religious sect, caste, etc, or (in the case of a woman) marital status[from Sanskrit tilaka]Tilak (?t?l?k) n (Biography) Bal Gangadhar (?bæl ??æ??d??), also called Lokamanya. 1856?1920, Indian nationalist leader, educationalist, and scholar, who founded (1914) the Indian Home Rule LeagueCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014til?ak (?t?l ?k) n., pl. -ak, -aks. a distinctive spot of colored powder or paste worn on the forehead by Hindu men and women as a religious symbol. [