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. [1913 Webster]

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. [1913 Webster]

Precepts should be so finely wrought together . . . that no coarse seam may discover where they join. --Addison. [1913 Webster]

3. (Geol. & Mining) A thin layer or stratum; a narrow vein between two thicker strata; as, a seam of coal. [1913 Webster]

4. A line or depression left by a cut or wound; a scar; a cicatrix. [1913 Webster]

{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.) (a) A heavy roller to press down newly plowed furrows. (b) A tailor's sadiron for pressing seams. --Knight.

{Seam set}, a set for flattering the seams of metal sheets, leather work, etc. [1913 Webster]