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What does 21C Stand For?
For 21c we have found 2 definitions.
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What does 21C mean? We know 2 definitions for 21C abbreviation or acronym in 1 categories. Possible 21C meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.
21C Stands For:
| Rank | Abbreviation | Meaning | |
|---|---|---|---|
| ***** | 21C | Second-in-Command | |
| *** | 21C | Sheboygan Coast Guard Station / Weather Observation Station, Sheboygan, Wisconsin USA Airport codes | |