2 : of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies
3 : (especially of the face) reddened or suffused with or as if with blood from emotion or exertion; "crimson with fury"; "turned red from exertion"; "with puffy reddened eyes"; "red-faced and violent"; "flushed (or crimson) with embarrassment"
nom
1 : a variable color that is vivid red but sometimes with an orange tinge
2 : red color or pigment; the chromatic color resembling the hue of blood