Anatron

||An"a*tron (?), n. [F. anatron, natron, Sp. anatron, natron, fr. Ar. al- natrūn. See Natron, Niter.] [Obs.] 1. Native carbonate of soda; natron.

2. Glass gall or sandiver.

3. Saltpeter. Coxe. Johnson.