|  Share | Cite


firth or frith, Scottish term applied to an arm of the sea, usually an estuary or strait. For Firth of Clyde, see Clyde; for Firth of Forth, see Forth.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

More on firth from Infoplease:

See more Encyclopedia articles on: British and Irish Physical Geography