Pe·tech·i·æ n. pl.; sing. Petechia Med. Small crimson, purple, or livid spots, like flea-bites, due to extravasation of blood, which appear on the skin in malignant fevers, etc.
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petechia
n : a minute red or purple spot on the surface of the skin as
the result of tiny hemorrhages of blood vessels in the
skin (as in typhoid fever)
[also: petechiae (pl)]