a North American Indian.piel roja red-letter day a day which will always be remembered because of something especially good that happened on it.día señalado/especial red tape annoying and unnecessary rules and regulations.papeleo burocrático ...
1.(Colours) any of a group of colours, such as that of a ripe tomato or fresh blood, that lie at one end of the visible spectrum, next to orange, and are perceived by the eye when light in the approximate wavelength range 740–620 nanometres falls on the retina. Red is the complem...