verb, -fused, -fus⋅ing, adjective | 1. | to pour out or forth; shed; disseminate: The town effuses warmth and hospitality. |
| 2. | to exude; flow out. |
| 3. | Physics. (of a gas) to flow through a very small orifice. |
| 4. | scattered; profuse. |
| 5. | Botany. spread out loosely. |
| 6. | (of certain shells) having the lips separated by a gap or groove. |