Franks meaning : Free postage, a right exercised by governments (usually with definite article). The notice on an envelope where a stamp would normally be found. To place a frank on an envelope. To exempt from charge for postage, as a letter, package, or packet, etc. To send by public conveyance free of expense. A hot dog or sausage. The grey heron. A pigsty. To shut up in a frank or sty; to pen up; hence, to cram; to fatten.