The Collaborative International Dictionary of English v.0.48:
lacrimation \lacrimation\ n. shedding tears; same as lachrymation. Syn: lachrymation, tearing, watering. [WordNet 1.5]WordNet (r) 3.0 (2006):
lacrimation n 1: shedding tears [syn: lacrimation, lachrymation, tearing, watering]