A scow used in dredging.

1

1766.  A new Mud-Scow, 24 Foot long.—Mass. Gazette, Oct. 20. (N.E.D.)

2

1808.  [Under the Embargo] Mr. Jefferson’s deputies most energetically arrest fishing canoes, mud scows, and boat loads of paving stones.—The Repertory, Boston, Aug. 26.

3