‖n. [ F. anatron, natron, Sp. anatron, natron, fr. Ar. al-natrūn. See Natron, Niter. ] [ Obs. ] 1. Native carbonate of soda; natron. [ 1913 Webster ]

2. Glass gall or sandiver. [ 1913 Webster ]

3. Saltpeter. Coxe. Johnson. [ 1913 Webster ]