| OM | a sign of something about to happen |
|---|---|
| OM | indicate by signs |
| OM | an isolated part of the peritoneal cavity that is dorsal to the stomach |
| OM | a fold of peritoneum supporting the viscera |
| OM | antacid (trade name Prilosec) that suppresses acid secretion in the stomach |
| OM | the 15th letter of the Greek alphabet |
| OM | presaging ill-fortune |
| OM | threatening or foreshadowing evil or tragic developments |
| OM | in an ominous manner |
| OM | a mistake resulting from neglect |
| OM | neglecting to do something |
| OM | any process whereby sounds are left out of spoken words or phrases |