n. A paint; a dye; especially, a paint for the face; rouge; hence, a disguise; a pretense; a sham.n. [capitalized] A genus of Fucaceæ, characterized by dichotomously branching fronds in which there is no distinction of stem and leaves, and which are provided with a midrib and often with air-bladders.n. Pl. fuci (fū ′ -sī). Any fucaceous seaweed.To paint; dye.