lake

1. lake (noun) — sense 1

Definition: In dyeing and painting, an often fugitive crimson or vermilion pigment derived from an organic colorant (cochineal or madder, for example) and an inorganic, generally metallic mordant.

Example: The colour scheme of the North British Railway—dark gamboge for the engines and lake for the coaches—looked very smart when new and clean, but these shades did not possess good wearing qualities.

2. lake (noun) — sense 2

Definition: In the composition of colors for use in products intended for human consumption, made by extending on a substratum of alumina, a salt prepared from one of the certified water-soluble straight colors.

Example: The name of a lake prepared by extending the aluminum salt prepared from FD&C Blue No. 1 upon the substratum would be FD&C Blue No. 1--Aluminum Lake.

3. lake (verb) — sense 3

Definition: To make lake-red.