PICEOUS
Etymology
Adjective
piceous (comparative more piceous, superlative most piceous)
(obsolete, rare) Of or pertaining to pitch (“a sticky, dark brown substance obtained from distilling turpentine or wood tar, or crude oil or tar”); having a quality like pitch; pitchlike, pitchy.
(chiefly, entomology) Resembling pitch in colour; a very dark brown.
Source: Wiktionary
Pic"e*ous, a. Etym: [L. piceus, fr. pix, picis, pitch.]
Definition: Of or pertaining to pitch; resembling pitch in color or
quality; pitchy.
Source: Webster’s Unabridged Dictionary 1913 Edition