n. (Chem.) A salt of tartaric acid in which the base replaces but half the acid hydrogen; an acid tartrate, as cream of tartar. [ 1913 Webster ]
a. [ Cf. F. orbitaire. ] Orbital. [ R. ] Dunglison. [ 1913 Webster ]
a. Situated around the orbit;
Supraorbital point (Anat.),