checkerwork

My first sensation, as I stepped off the ladder to the checkerwork inside the stove, was relief.

I learned on coming up that he was trying to tell me not to approach the combustion chamber adjoining the checkerwork.

Masses of flue-dust had clogged the holes in the checkerwork and reduced its power for holding heat.

On his wise shoulders through the checkerwork of leaves the sun flung spangles, dancing coins.