CLAS
| CLAS | |
| abbr. | Classic Bancshares, Inc.; Child Law Advice Service |
| abbr. avia. | Calibration Laboratory Assessment Service |
| abbr. med. | Circulating Lupus Anticoagulant Syndrome; Clinical Ligand Assay Society; Congenital Localized Absence Of Skin |
| abbr. mil. avia. | C-band lightweight acquisition system |
| mil. | close air support |
| tech. | communications link analyzer system |
