Petechiae \Pe*tech"i*[ae]\, n. pl.; sing. {Petechia}. [NL., fr.
LL. peteccia; cf. F. p['e]t['e]chie, It. petecchia, Sp.
petequia, Gr. pitta`kion a label, plaster.] (Med.)
Small crimson, purple, or livid spots, like flea-bites, due
to extravasation of blood, which appear on the skin in
malignant fevers, etc.
[1913 Webster]