
Any of a series of small, parallel beams for supporting floors, ceilings, or flat roofs. Photo from Jamestown Settlement, Jamestown, Virginia, 2019. (Ching, 1995)
Synonyms:
joists

Any of a series of small, parallel beams for supporting floors, ceilings, or flat roofs. Photo from Jamestown Settlement, Jamestown, Virginia, 2019. (Ching, 1995)