| a. | 1. | Of or pertaining to volume or volumes. |
| 2. | Consisting of many folds, coils, or convolutions. | |
| 3. | Of great volume, or bulk; large. | |
| 4. | Having written much, or produced many volumes; copious; diffuse; |
| Adj. | 1. | voluminous - large in volume or bulk; "a voluminous skirt" |
| 2. | voluminous - large in number or quantity (especially of discourse); "she took copious notes"; "extensive press coverage"; "a subject of voluminous legislation" |