mas·ti·ca·to·ry I. \ˈ ̷ ̷ ̷ ̷kəˌtōrē, -tȯr-, -ri, chiefly Brit | ̷ ̷ ̷ ̷|kātəri or -ā.tri\adjective Etymology:masticate + -ory 1.: used for chewing : adapted to mastication < masticatory limbs of an arthropod > 2.: of, relating to, or involving the organs of mastication < masticatory paralysis > II. noun (-es) : a substance to be chewed to increase the saliva