Pastel, chalk mixed with other materials and various colours, and formed into Pencils or Crayons (q.v.). Drawings with such dry, coloured crayons may be made on paper or parchment, and have been especially used in portraiture.—Pastel is also a name for Woad (q.v.).
Pastel
Chambers's Encyclopaedia, Volume 7: Maltebrun to Pearson, p. 795
Source scan(s): p. 0810