1. A contact print of a drawing or other image rendered as white lines on a blue background, especially such a print of an architectural plan or technical drawing. also called cyanotype.
2. A mechanical drawing produced by any of various similar photographic processes, such as one that creates blue or black lines on a white background.
3. A detailed plan of action. see synonyms at plan.
4. A model or prototype.
5. to make a blueprint of.
6. to lay a plan for.

1. A type of paper-based reproduction process producing white-on-blue images, used primarily for technical and architecture's drawings, now largely replaced by other technologies.
2. A print produced with this process.
3. A detailed technical drawing (now often in some electronically storable and transmissible form).
4. any detailed plan, whether literal or figurative.
5. to make a blueprint for.
6. to make a detailed operational plan for.

1. see under print.

1. something intended as a guide for making something else
2. make a blueprint of
3. photographic print of plans or technical drawings etc.