What does "mastic" mean?

Mastic: A resin exuding from the mastic tree, and obtained by incision. The best is in yellowish white, semitransparent tears, of a faint smell, and is used as an astringent and an aromatic, also as an ingredient in varnishes.

Additional senses

  1. 2.A kind of cement composed of burnt clay, litharge, and linseed oil, used for plastering walls, etc. Barbary mastic (Bot.), the Pistachia Atlantica. -- Peruvian mastic tree (Bot.), a small tree (Schinus Molle) with peppery red berries; -- called also pepper tree. -- West Indian mastic (Bot.), a lofty tree (Bursera gummifera) full of gum resin in every part.

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