GLASS DECORATED WITH GEOMETRICAL OR REPRESENTATIONAL INCISIONS MADE BY GRINDING AND POLISHING
Cut-glass accent; Cut-glass; Cut crystal
¦ noun
1. glass that has been decorated by having patterns cut into it by grinding and polishing.
2. [as modifier] characterized by precise enunciation: a cut-glass accent.
Wikipedia
J cut
A J cut is a variant of a split edit film editing technique in which the audio from a following scene overlaps the picture from the preceding scene, so that the audio portion of the later scene starts playing before its picture as a lead-in to the visual cut. Also called an audio lead or audio advance.