Word Study
Os
CIDE DICTIONARY
Os, n. [L.].
A bone. [1913 Webster]
Os, n. [L.].
A mouth; an opening; an entrance. [1913 Webster]
Os, n. [Sw. ås ridge, chain of hills, pl. åsar.].
One of the ridges of sand or gravel found in Sweden, etc., supposed by some to be of marine origin, but probably formed by subglacial waters. The osar are similar to the kames of Scotland and the eschars of Ireland. See Eschar. [1913 Webster]
Os, n.
The chemical symbol for the element osmium. [PJC]
OXFORD DICTIONARY
Os, abbr.
1 old style.
2 ordinary seaman.
3 (in the UK) Ordnance Survey.
4 outsize.
5 out of stock.
1 old style.
2 ordinary seaman.
3 (in the UK) Ordnance Survey.
4 outsize.
5 out of stock.
Os, symb. Chem. the element osmium.
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