The Collaborative International Dictionary
Poecilitic
Poecilitic \P[oe]`ci*lit"ic\, a. [Gr. poiki`los many-colored, variegated.] (Geol.)
Mottled with various colors; variegated; spotted; -- said of certain rocks.
Specifically: Of or pertaining to, or characterizing, Triassic and Permian sandstones of red and other colors.
Wiktionary
poecilitic
a. 1 (context geology English) mottle with various colours; variegated; spotted. 2 (context geology specifically English) Of or relating to, or characterizing, Triassic and Permian sandstones of red and other colours.