| a. | 1. | Povided with, or inclosed in, sheath. |
| 2. | (Bot.) Invested by a sheath, or cylindrical membranaceous tube, which is the base of the leaf, as the stalk or culm in grasses; vaginate. |
| Adj. | 1. | sheathed - enclosed in a protective covering; sometimes used in combination; "his sheathed sword"; "the cat's sheathed claws"; "a ship's bottom sheathed in copper"; "copper-sheathed" Antonyms: unsheathed, bare - not having a protective covering; "unsheathed cables"; "a bare blade" |