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The Collaborative International Dictionary
Seam blast

Seam \Seam\, n. [OE. seem, seam, AS. se['a]m; akin to D. zoom, OHG. soum, G. saum, LG. soom, Icel. saumr, Sw. & Dan. s["o]m, and E. sew. [root] 156. See Sew to fasten with thread.]

  1. The fold or line formed by sewing together two pieces of cloth or leather.

  2. Hence, a line of junction; a joint; a suture, as on a ship, a floor, or other structure; the line of union, or joint, of two boards, planks, metal plates, etc.

    Precepts should be so finely wrought together . . . that no coarse seam may discover where they join.
    --Addison.

  3. (Geol. & Mining) A thin layer or stratum; a narrow vein between two thicker strata; as, a seam of coal.

  4. A line or depression left by a cut or wound; a scar; a cicatrix. Seam blast, a blast made by putting the powder into seams or cracks of rocks. Seam lace, a lace used by carriage makers to cover seams and edges; -- called also seaming lace. Seam presser. (Agric.)

    1. A heavy roller to press down newly plowed furrows.

    2. A tailor's sadiron for pressing seams.
      --Knight.

      Seam set, a set for flattering the seams of metal sheets, leather work, etc.