Frank

1. Free postage, a right exercised by governments (usually with definite article).
2. The notice on an envelope where a stamp would normally be found.

1. To place a frank on an envelope.
2. To exempt from charge for postage, as a letter, package, or packet, etc.
3. To send by public conveyance free of expense.

1. Honest, especially in a manner that seems slightly blunt; candid; not reserved or disguised.

   May I be frank with you?

2. Unmistakable, clinically obvious, self-evident

   The research probes whether treating pre-diabetes with metformin can prevent progression to frank diabetes.

3. Unbounded by restrictions, limitations, etc.; free.
4. Liberal; generous; profuse.
5. Unrestrained; loose; licentious.

1. A hot dog or sausage.

   Buy a package of franks for the barbecue.

noun

The grey heron.

noun

A pigsty.

verb

To shut up in a frank or sty; to pen up; hence, to cram; to fatten.