keystone joist


noun

a reinforced-concrete joist with sloping sides and the top wider than the bottom.

Nearby words

  1. keyserling,
  2. keyslot,
  3. keysmash,
  4. keystone,
  5. keystone comedy,
  6. keystone kop,
  7. keystone species,
  8. keystone state,
  9. keystoner,
  10. keystroke

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019