Red color or pigment; the chromatic color resembling the hue of blood WordNet 3.0 & Open English WordNet

Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. Wikipedia

Color. Wikipedia Disambiguation

Slang for communism Wikipedia Disambiguation

Any of a number of similar colors evoked by light in the wavelength range of 630–740 nm Wikipedia Disambiguation

Supporters of communism or socialism Wikipedia Disambiguation

The colour obtained by subtracting green and blue from white. A primary colour in the additive colour system, and a secondary colour in the subtractive colour system. It is the complementary colour of cyan. OmegaWiki

Any of a range of colours having the longest wavelengths, 670 nm, of the visible spectrum; a primary additive colour for transmitted light: the colour obtained by subtracting green and blue from white light using magenta and yellow filters; the colour of blood, ripe strawberries, etc. Wiktionary

Colour. Wiktionary (translation)