Webster's Revised Unabridged Dictionary · 1913

Sketch

Sketch , noun

[Dutch schets, from Italian schizzo a sketch, a splash (whence also French esquisse; compare Esquisse.); compare Italian schizzare to splash, to sketch.]

An outline or general delineation of anything; a first rough or incomplete draught or plan of any design; especially, in the fine arts, such a representation of an object or scene as serves the artist's purpose by recording its chief features; also, a preliminary study for an original work.

Sketch , transitive verb

[Cf Dutch schetsen, Italian schizzare. See Sketch, n.]

1.
To draw the outline or chief features of; to make a drought of.
2.
To plan or describe by giving the principal points or ideas of.

Sketch , intransitive verb

To make sketches, as of landscapes.