| Acronym | Meaning |
| LCA | Saint Lucia (ISO 3166 Trigram) |
| JTAGS | Joint Tactical Ground Station (djay-tagz) |
| BIST | Built-In Self-Test |
| COS | Cooper Ornithological Society |
| ZL | Zettalitre |
| MCP | Maintenance Collection Point - Male Chauvinist Pig |
| RN | Radon -Registered Nurse (USA) |
| RPM | Red Hat Package Manager |
| CRE | Cree Language (ISO 639-2 Code) |
| WC | Water Closet - Winston Churchill - World Cup (sports) |