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.
About Infoplease, Part of Family Education Network
© 2000–2015 Pearson Education, publishing as Infoplease