Source : Webster's Revised Unabridged Dictionary (1913)

Lachrymatory \Lach"ry*ma*to*ry\, n.; pl. -{ries}. [Cf. F.
   lacrymatoire.] (Antiq.)
   A ``tear-bottle;'' a narrow-necked vessel found in sepulchers
   of the ancient Romans; -- so called from a former notion that
   the tears of the deceased person's friends were collected in
   it. Called also {lachrymal} or {lacrymal}.