plural of mastic

One of the small deep muscles connecting the ribs to the vertebrae of the posterior spine, that are used to elevate the ribs.

Carettochelys insculpta, a species of soft-shelled turtle native to freshwater streams, lagoons and rivers of the Northern Territory of Australia and of southern New Guinea.

A milky-white solution of magnesium hydroxide, used as a saline osmotic laxative and as an antacid.