tik·ka 1 (tĭkə)
n.
Any of various traditional marks or ornaments worn on the forehead in South Asia, especially:
a. A pendant attached by a chain so as to hang from the parting of the hair to the middle of the forehead, worn especially by Hindu brides.
b. A bindi.
[From Hindi ṭīkā and Punjabi ṭikkā, both from Middle Indic *ṭikka; perhaps akin to Sanskrit tilaḥ, sesame seed, mole, and tilakaḥ, freckle, mark made on the forehead.]
tikka1