Firth

n.

1.

(Geog.) An arm of the sea; a frith.

Noun	1.	Firth - English linguist who contributed to linguistic semantics and to prosodic phonology and who was noted for his insistence on studying both sound and meaning in context (1890-1960) Synonyms: J. R. Firth, John Rupert Firth
	2.	firth - a long narrow estuary (especially in Scotland)

arm, armlet, bay, bayou, belt, bight, boca, cove, creek, estuary, euripus, fjord, frith, gulf, gut, harbor, inlet, kyle, loch, mouth, narrow, narrow seas, narrows, natural harbor, reach, road, roads, roadstead, sound, strait, straits