s. m, period of forty days observed for certain religious purposes by Muhammadans or other religious fraternities in the east; forty days after child birth:—chilá bannhṉá, v. a. To appoint a period of forty days for a religious observance:—chilá karná, chile baiṭhṉá, paiṉá, v. a. To spend forty days in fasting, reading some verses of the Qurán in some private room or place, and some times in an unfrequented forest; i. q. Chhilá.