Webster’s Revised Unabridged Dictionary · 1913
Frith
Frith (frĭth), n. [OE. firth, Icel. fjörðr; akin to Sw. fjärd, Dan. fiord, E. ford. √78. See Ford, n., and cf. Firth, Fiord, Fret a frith, Port a harbor.]
1. (Geog.) A narrow arm of the sea; an estuary; the opening of a river into the sea; as, the Frith of Forth.
2. A kind of weir for catching fish. [Eng.] Carew.
Frith, n. [OE. frith peace, protection, land inclosed for hunting, park, forest, AS. frið peace; akin to frenoð peace, protection, asylum, G. friede peace, Icel. friðr, and from the root of E. free, friend. See Free, a., and cf. Affray, Defray.] 1. A forest; a woody place. [Obs.] Drayton.
2. A small field taken out of a common, by inclosing it; an inclosure. [Obs.] Sir J. Wynne.