(organic chemistry) A red chemical pigment from the insect kermes dye named 1-methyl-2-carboxy-3,5,6,8-tetrahydroxyanthraquinone.

(linguistics) The theoretical protolanguage which is the common ancestor of the Nilo-Saharan languages.

(astronomy) A distinctive winter constellation of the southern sky, shaped like a cross. It appears in the flags of several countries in Oceania.

(law) Abbreviation of United States District Court for the Southern District of Mississippi, as used in case citations.