1) a drain. N.
2) a wet ditch ; also a subterraneous vault or channel, cut through a hill, to drain a mine. N.
·noun A <<Sow>>. II. Sough ·vi To whistle or sigh, as the wind. III. Sough ·vi Hence, a vague rumo...
Webster's Dictionary of the English Language
An old northern term for the distant surging of the sea; a hollow murmur or howling, or the moaning ...
The Sailor's Word-Book