from the GNU version of the Collaborative International Dictionary of English
- n. dust of pounded or broken bricks.
from The Century Dictionary and Cyclopedia
- n. Dust from disintegrated bricks; specifically, the dust of pounded Bath brick (which see, under brick, n.), or the earth from which Bath brick is made.
Sorry, no etymologies found.
By now everyone knows that the Spaniard's relentless, athletic game is ideally conditioned for the red brick dust of Roland Garros, where he slides east to west and back and envelops the court like an octopus waving eight rackets.