a. Obs. [f. L. blatte-us purple + -AN.] Purple.

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1658.  Rowland, trans. Moufet’s Theat. Ins., 998. The Blattean colour is died with worms which come out of the grain of Cockle, out of whose bloud is produced a … colour, not black, as some think, but a bright purple or scarlet.

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