mastic

noun

1. an aromatic exudate from the mastic tree; used chiefly in varnishes

   noun.substance

   Source: WordNet 3.0

2. a pasty cement used as an adhesive or filler

   noun.substance

   Source: WordNet 3.0

3. an evergreen shrub of the Mediterranean region that is cultivated for its resin

   noun.plant

   Synonyms lentisk mastic tree pistacia lentiscus

   Source: WordNet 3.0

4. A low shrubby tree of the genus <i>Pistacia</i> (<i>P. Lentiscus</i>), growing upon the islands and coasts of the Mediterranean, and producing a valuable resin; -- called also, <i>mastic tree</i>.

   noun

   Source: webster1913