The Collaborative International Dictionary
Pitch-faced
Pitch-faced \Pitch"-faced`\, a. (Stone Cutting) Having the arris defined by a line beyond which the rock is cut away, so as to give nearly true edges; -- said of squared stones that are otherwise quarry-faced.
Wiktionary
pitch-faced
a. (context stone-cutting English) Having the arris defined by a line beyond which the rock is cut away, so as to give nearly true edges; said of squared stones that are otherwise quarry-faced.