noun a delineated picture; representation; sketch; description in words.
2. delineation ·noun the act of representing, portraying, or describing, as by lines, diagrams, sketches, ·etc.; drawing an outline; as, the delineation of a scene or face; in drawing and engraving, representation by means of lines, as distinguished from representation by means of tints and shades; accurate and minute representation, as distinguished from art that is careless of details, or subordinates them excessively.