Pe*tech"i*ae (?), n. pl.; sing. Petechia (). [NL., fr. LL. peteccia; cf. F. p'et'echie, It. petecchia, Sp. petequia, Gr. 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.
© Webster 1913.