Windowglass

At first he contented himself by flattening his nose against the window-glasses of his study, and looking what the Englander was about.

Source: wiktionary

Now we behold the embers flee About the firelit hearth; and see Our faces painted as we pass, Like pictures, on the window-glass.

Source: wiktionary

“There was no noise as of something being thrown through the glass just before the explosion: and there’s no broken window-glass inside the room. The screen was over it, too, so we can say the pineapple wasn’t chucked in through the window.”

Source: wiktionary

[…] the house was completed save for the windowglass and the ironware which they could not make by hand […]

Source: wiktionary