Sō'lĕn, n.

n. [Gr. σωλήν, channel, a kind of shell-fish.] 1. (Anat.) The vertebral canal containing the spinal cord. Dunglison. 2. (Surg.) A semicircle of thin wood, or strips of wood, used for preventing the contact of the bed-clothes, in wounds, fractures, and the like;—called also cradle. Dunglison. 3. (Zoöl.) A genus of bivalve mollusks, having a long, slender shell; razor-fish.