a. 1. Povided with, or inclosed in, sheath. [ 1913 Webster ]
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. [ 1913 Webster ]
[おさまる, osamaru] (v5r, vi) (1) to be in one's place; to be installed; to settle into; (2) (esp. 納まる) to be delivered; to be obtained; to be paid; (3) (See 治まる) to be settled; to be sorted out; (4) (See 治まる) to lessen (e.g. of storms, pain); to calm down; (5) to be fit tightly into (e.g. a frame); to be sheathed (in a scabbard); (P)