n. & v.
n. 1 a rough, slight, merely outlined, or unfinished drawing or painting, often made to assist in making a more finished picture. 2 a brief account without many details conveying a general idea of something, a rough draft or general outline. 3 a very short play, usu. humorous and limited to one scene. 4 a short descriptive piece of writing. 5 a musical composition of a single movement. 6 colloq. a comical person or thing.
v. 1 tr. make or give a sketch of. 2 intr. draw sketches esp. of landscape (went out sketching). 3 tr. (often foll. by in, out) indicate briefly or in outline. sketch-book (or -block) a pad of drawing-paper for doing sketches on. sketch-map a roughly-drawn map with few details. sketcher n.
[ Du. schets or G Skizze f. It. schizzo f. schizzare make a sketch ult. f. Gk skhedios extempore ]