- A fungal disease of the hair marked by small black or white nodular masses.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for piedra
They then demanded the money and were told that they must bring him a certain stone (piedra de espiritu).Records of The Spanish Inquisition
Andrew Dickson White
Specimens from three miles south and 16 miles west of Piedra were found in a crevice inside a cave.The Recent Mammals of Tamaulipas, Mexico
It stimulates the Spanish Government to send out an expedition under Piedra in 1778, to form settlements upon the coast.
Piedra succeeds Viedma, attacks the Pampa Tribes, and is defeated.
Palabra de boca, piedra de honda—A word from the mouth is as a stone from a sling.