blotch

1. (transitive) To mark with blotches.Examples: "1770, Arthur Young, A Six Months Tour through the North of England, London: W. Strahan, Volume 2, p. 258, Upon the whole, the spirit and relief of the figures, with the strength of the colouring, render it a most noble picture; and it is not done in the coarse blotching stile, so common to the pieces which pass under the name of Bassan."; "A straight-edge is placed upon the chalk lines, with the edge next the line slightly raised, and the brush, well filled with colour, drawn along it, just touching the wall, the pressure being never increased, and the brush refilled whenever it is near failing; but great care must be taken that it be not too full, as in that case it will be apt to blotch the line, or drop the colour upon the lower portions of the wall."; "Just beyond were two ancient stone pillars, weather-stained and lichen-blotched bearing upon their summits a shapeless something which had once been the rampant lion of Capus of Birlstone."transitive

2. (intransitive) To develop blotches, to become blotchy.Examples: "1878, Arthur Morecamp (pseudonym of Thomas Pilgrim), Live Boys; or, Charley and Nasho in Texas, Boston: Lee & Shepard, Chapter 17, p. 166, […] when a man is going to drive cattle out of the county he has to put a road-brand on them […] It is generally made of letters or figures, or something that won’t cross lines, because where they cross they are apt to blotch and then it’s hard to tell what the brand is and who the animal belongs to."; "Our waistline will extend a few more inches at least, and our aging skin will blotch and sag."; "These areas, which also will take longer to dry, are the ones that will blotch when a dye or oil-based finish is applied."intransitive