mastic

mastic is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

1.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.
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.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Definitions: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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