The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Lachrymal \Lach"ry*mal\, a. [Cf. F. lacrymal. See Lachrymose.]
   1. Of or pertaining to tears; as, lachrymal effusions.
      [1913 Webster]

   2. (Anat.) Pertaining to, or secreting, tears; as, the
      lachrymal gland.
      [1913 Webster]

   3. (Anat.) Pertaining to the lachrymal[2] organs; as,
      lachrymal bone; lachrymal duct.
      [1913 Webster] Lachrymal

The Collaborative International Dictionary of English v.0.48:

Lachrymal \Lach"ry*mal\, Lacrymal \Lac"ry*mal\, n.
   See Lachrymatory.
   [1913 Webster]

WordNet (r) 3.0 (2006):

lachrymal
    adj 1: of or relating to tears [syn: lacrimal, lachrymal]
    2: relating to or located near the organ that produces tears
       [syn: lacrimal, lachrymal]