| umbrella | |
| 1. n. Cloth-covered frame used for protection against rain or sun. | |
| Quick, grab that umbrella before you get rained on! | |
| 2. n. Generally, anything that provides protection. | |
| The fighters provide a defensive air umbrella over the battle group. | |
| 3. n. Something that covers a wide range of concepts, purposes, groups, etc. | |
| The test facility was established under the umbrella of the company's quality program. | |
| 4. n. The main body of a jellyfish, excluding the tentacles. | |
| Jellyfish are composed of more than 90% water and most of their umbrella mass is made up of gelatinous material. | |
| 5. v. To cover or protect, as if by an umbrella. | |
| 6. v. (intransitive) To form the dome shape of an open umbrella. | |
| 7. v. (intransitive) To move like a jellyfish. | |
