As a Noun: 1. A long, narrow, flat piece of wood, metal, or plastic with straight edges marked in inches or centimetres, which you use to measure things or to draw straight lines. English = ruler. 2. A person whose job is to prepare technical drawings and plans. English = draftsman, draughtsman. 3. The ability to draw and prepare technical drawings and plans. English = draftsmanship, draughtsmanship. 4. A person who designs buildings; the art of planning, designing, and constructing buildings. English = architect; architecture. As a Verb or Adjective: 1. To draw a straight line using a ruler. English = rule. 2. To have thick straight lines printed or drawn across a piece of paper. English = (be) ruled, (be) lined. 3. To prepare technical drawings or plans. English = draft, draught. 4. To design and prepare drawings and plans of a building.