gläs | noun

1

: any of various amorphous materials formed from a melt by cooling to rigidity without crystallization.

: an usually transparent or translucent material consisting typically of a mixture of silicates.

: a material (such as obsidian) produced by fast cooling of magma.

2

: something made of glass, such as a tumblr, mirror, mason jar, hourglass, glassware, depression glass, barometer…

: an optical instrument or device that has one or more lenses and is designed to aid in the viewing of objects not readily seen; examples (used in plural sense) include field glasses, binoculars.

3

glasses plural : a device used to correct defects of vision or to protect the eyes that consists typically of a pair of glass or plastic lenses and the frame by which they are held in place; this is also referred to as spectacles, eyeglasses.

Example:
“Nice glasses! Are they new?”
“Thank you – yes! Oh, you reminded me that I still need to claim it as a deduction on my FSA.”

4

: the quantity held by a glass container.

Idiom: Is the glass half-full or half-empty?

Variation:

de·​pres·​sion glasses / Noun

: tinted glassware machine-produced during the 1930s.

Musing:
You know the real economic indicator that a recession is coming is measured by the amount of mason jars that you collect. May subsitute for Chinaware or depression glass.