Definition of "lachrymatory" [lach•ry•ma•to•ry•lachrymatory]

• Pertaining to or causing tears. (adjective)
• A vase intended to hold tears, formerly used by archaeologists to designate certain urns found in Roman burials. (noun)

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• "The self-heating process of linseed oil on cotton, the investigators said, releases large quantities of a choking, white, "lachrymatory" (tear-making) smoke."
• "In addition to high explosive he now began to send over for the first time "lachrymatory" gas shells, having a sweet smell and doing little harm except to make our eyes water."
• "The entire lab stank from chemicals in unvented storage cabinets, and became lachrymatory when reactions using excess ethyl bromoacetate had to be worked up outside the hood."