Definition of lachryma in US English:

lachryma

noun

  • Any of various substances exuded by certain trees and shrubs, especially an aromatic resin or gum exuded in small drops; material of this kind. In later use: specifically the exuded sap of a vine (Vitis species), used medicinally. Now rare.

Origin

Early 17th century. From (i) Middle French, French † lachryma exudation of juice or gum from plants (1596 in the passage translated in quot. 1601, or earlier; with the sense ‘tear’, compare Old French, Middle French (rare) lacrime).

Pronunciation

lachryma

/ˈlakrɪmə/