Frith

Webster's Dictionary of the English Language

·adj A forest; a woody place.

II. Frith ·noun A kind of weir for catching fish.

III. Frith ·adj A small field taken out of a common, by inclosing it; an Inclosure.

IV. Frith ·noun A narrow arm of the sea; an estuary; the opening of a river into the sea; as, the Frith of Forth.