s. m, The stopper of a bottle, jar or flask or surmá; beetle leaf prepared for chewing; a linen button:—bíṛá chakkná, chukkṉá, uṭháṉá, v. a. To undertake some difficult enterprise:—ghuṇḍí bíṛá, s. m. A loop and button attached to a chogá or kuṛtá.