from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A wave that oscillates in lakes, bays, or gulfs from a few minutes to a few hours as a result of seismic or atmospheric disturbances.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A short-period standing wave oscillation of the water level in a lake, characteristic of its geometry.
from The Century Dictionary and Cyclopedia
- n. A name given in Switzerland, and especially on the Lake of Geneva, to certain irregular waves or fluctuations of the level of the water, which may be raised or lowered to the amount of several feet.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a wave on the surface of a lake or landlocked bay; caused by atmospheric or seismic disturbances
French dialectal, exposed lake bottom, probably from French sèche, feminine of sec, dry; see sec1.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Swiss French seiche, perhaps from German Seiche ("sinking"). (Wiktionary)