SG Heritage Dictionary

Purpure [Noun] Webster's Dictionary 1828

In heraldry, purple, represented in engraving by diagonal lines.

Purpure [Noun] Webster's Dictionary 1913

Purple, -- represented in engraving by diagonal lines declining from the right top to the left base of the escutcheon (or from sinister chief to dexter base).

Purpureal [Adjective] Webster's Dictionary 1913

Of a purple color; purple.

Purpureo- Webster's Dictionary 1913

A combining form signifying of a purple or purple-red color. Specif. (Chem.), used in designating certain brilliant purple-red compounds of cobaltic chloride and ammonia, similar to the roseocobaltic compounds. See Cobaltic.