'lacrimator' definitions:

Definition of 'lacrimator'

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 'lacrimator'

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