Mastic (disambiguation) definition

Mastic (disambiguation)

WordNet

(1) An evergreen shrub of the Mediterranean region that is cultivated for its resin

(2) A pasty cement used as an adhesive or filler

(3) An aromatic exudate from the mastic tree; used chiefly in varnishes

WiktionaryText

, from , from (note the chewing gum sense).

An evergreen shrub or small tree, Pistacia lentiscus, native to the Mediterranean.
A hard, brittle, aromatic and transparent resin produced by this tree and used to make varnishes and chewing gum, and as a flavouring.
A flexible, waterproof cement used as an adhesive, sealant or filler.