noun The glass circling the tip of a blowpipe or punty, such as the residual glass after detaching a blown vessel, or the lower part of a gather.
noun The excess material which adheres to the top, base, or rim of a glass object when it is cut or knocked off from a blowpipe or punty, or from the mold-filling process. Typically removed after annealing as part of the finishing process (e.g. scored and snapped off).