Surmark

• (n.) A mark made on the molds of a ship, when building, to show where the angles of the timbers are to be placed.
Found on http://thinkexist.com/dictionary/meaning/surmark/

Surmark

Sur'mark` noun (Shipbuilding) A mark made on the molds of a ship, when building, to show where the angles of the timbers are to be placed. [ Written also sirmark .]
Found on http://www.encyclo.co.uk/webster/S/250
No exact match found