| COS | a sophisticated person who has travelled in many countries |
|---|---|
| COS | of worldwide scope or applicability |
| COS | composed of people from or at home in many parts of the world |
| COS | (ecology) growing or occurring in many parts of the world |
| COS | a sophisticated person who has travelled in many countries |
| COS | the whole collection of existing things |
| COS | everything that exists anywhere |
| COS | any of various mostly Mexican herbs of the genus Cosmos having radiate heads of variously colored flowers and pinnate leaves |
| COS | a large proton synchrotron |
| COS | sponsor together with another sponsor |
| COS | an Indian unit of length having different values in different localities |
| COS | treat with excessive indulgence |