vitro-di-trina

from The Century Dictionary.

• noun Lacework glass, especially that in which the white threads are crossed at an angle forming lozenge-shaped compartments, every one of which, in some specimens, contains a small air-bubble. Compare reticulated glass, under glass.

from the GNU version of the Collaborative International Dictionary of English.

• noun A kind of Venetian glass or glassware in which white threads are embedded in transparent glass with a lacelike or netlike effect.