from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A long, narrow ridge of coarse gravel deposited by a stream flowing in or under a decaying glacial ice sheet. Also called os3.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A long, narrow, sinuous ridge created by deposits from a stream running beneath a glacier.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (geology) a long winding ridge of post glacial gravel and other sediment; deposited by meltwater from glaciers or ice sheets
Irish Gaelic eiscir, from Old Irish escir.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Irish eiscir. (Wiktionary)