os

noun

1. a mouth or mouthlike opening

   noun.body

   Source: WordNet 3.0

2. a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known

   noun.substance

   Synonyms atomic number 76 osmium

   Source: WordNet 3.0

3. (computer science) software that controls the execution of computer programs and may provide various services

   noun.communication

   Synonyms operating system

   Source: WordNet 3.0

4. the left eye

   noun.body

   Synonyms oculus sinister

   Source: WordNet 3.0

5. rigid connective tissue that makes up the skeleton of vertebrates

   noun.body

   Synonyms bone

   Source: WordNet 3.0

6. A bone.

   noun

   Source: webster1913

7. A mouth; an opening; an entrance.

   noun

   Source: webster1913

8. 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 <u>Eschar</u>.

   noun

   Source: webster1913