† ˈhalinitreObs. [ad.mod.L. halinitrum, f. ἅλς salt + νίτρον nitre.] A name for saltpetre. 1608Topsell Serpents (1658) 741 If the fat of a Lizard is mixed with Wheat-meal, Halinitre, and Cumin it maketh Hens very fat.1672T. Venn Compl. Gunner viii. 10 Artificial Salt-Peter, Sal Nitre, or Halinitre.