plural of red flag

(idiomatic) War, one of the Four Horsemen of the Apocalypse.

rubricator / (informal, cricket) A not out batsman (whose score is recorded in red ink)

Pinus resinosa, native to cool temperate eastern North America.

A pigment obtained from carmine as a purple-red substance.

(chemistry, obsolete) Mercuric oxide (HgO), a heavy red crystalline powder obtained by heating mercuric nitrate, or by heating mercury in the air.

Synonym of alizarin

A kind of Irish ale with a reddish colour. / A kind of Belgian sour ale brewed with red malt and often fermented with organisms other than Saccharomyces cerevisiae, especially Lactobacillus.

plural of red-ragger

(informal, derogatory) A socialist or communist.