Dictionary

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.

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

Example: May I be frank with you?

Unmistakable, clinically obvious, self-evident

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

Unbounded by restrictions, limitations, etc.; free.

Liberal; generous; profuse.

A hot dog or sausage.

Example: Buy a package of franks for the barbecue.

The grey heron.

A pigsty.

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