water glass

noun

1

: a glass vessel (such as a drinking glass) for holding water

2

: an instrument consisting of an open box or tube with a glass bottom used for examining objects in or under water

3

: a substance that consists usually of the silicate of sodium, is found in commerce as a glassy mass, a stony powder, or dissolved in water as a viscous syrupy liquid, and is used especially as a cement, a protective coating, and as a fireproofing agent

Examples of water glass in a Sentence

Recent Examples on the Web

At Gramps Getaway on Key Biscayne, management added nine fans this year and the staff is under marching orders to keep water glasses full at the popular outdoor bar, even as moonlight takes over. —Ashley Miznazi, Miami Herald, 5 Sep. 2025

Louise, her tired dark hair pulled into a ponytail, refills the water glass. —Literary Hub, 11 Aug. 2025

The water glass finish emits a cozy, diffused glow that nods to the vintage aesthetic, while the angular shape is a distinctly contemporary touch. —Blake Bakkila, Architectural Digest, 29 Apr. 2025

Our entrees were brought out and despite several people around the woman just kept going with her conversation, phone propped up by her water glass while the teenager was on her phone. —Virginia Chamlee, People.com, 14 Mar. 2025

Word History

First Known Use

1590, in the meaning defined at sense 1

Rhymes for water glass

• candlemas
• fiberglass
• fibreglass
• hourglass
• isinglass
• lemongrass
• martinmas
• orchardgrass
• overpass
• plexiglas
• plexiglass
• sassafras

Kids Definition

water glass

noun

: a glass container (as a drinking glass) for holding water