'lachrymator' definitions:

Definition of 'lachrymator'

From: WordNet
noun
A gas that makes the eyes fill with tears but does not damage them; used in dispersing crowds [syn: tear gas, teargas, lacrimator, lachrymator]

Definition of 'lachrymator'

From: GCIDE
  • lachrymator \lachrymator\ n. A chemical substance that causes tears to flow; same as lacrimator.
  • Syn: lacrimator. [PJC]