WordReference Random House Unabridged Dictionary of American English © 2025
keystone joist′, 
  1. Buildinga reinforced-concrete joist with sloping sides and the top wider than the bottom.


Forum discussions with the word(s) "keystone joist" in the title:


Look up "keystone joist" at Merriam-Webster
Look up "keystone joist" at dictionary.com
  • Go to Preferences page and choose from different actions for taps or mouse clicks.

In other languages: Spanish | French | Italian | Portuguese | Romanian | German | Dutch | Swedish | Russian | Polish | Czech | Greek | Turkish | Chinese | Japanese | Korean | Arabic

Advertisements
Advertisements
Report an inappropriate ad.
WordReference.com
WORD OF THE DAY
GET THE DAILY EMAIL!