3. To fasten with a seal; to attach together with a wafer, wax, or other substance causing adhesion; as, to seal a letter.

4. Hence, to shut close; to keep close; to make fast; to keep secure or secret. Seal up your lips, and give no words but "mum". Shak.

5. To fix, as a piece of iron in a wall, with cement, plaster, or the like. Gwilt.

6. To close by means of a seal; as, to seal a drainpipe with water. See 2d Seal, 5.

7. Among the Mormons, to confirm or set apart as a second or additional wife. [Utah, U.S.] If a man once married desires a second helpmate . . . she is sealed to him under the solemn sanction of the church. H. Stansbury.

SEAL
Seal, v. i.

Defn: To affix one's seal, or a seal. [Obs.]
I will seal unto this bond. Shak.

SEA LACES
Sea" la"ces. (Bot.)

Defn: A kind of seaweed (Chorda Filum) having blackish cordlike fronds, often many feet long.

SEA LAMPREY
Sea" lam"prey. (Zoöl.)