| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024joist /dʒɔɪst/USA pronunciation n. [countable]- Buildingone of a number of small parallel beams of wood, steel, or reinforced concrete that support a floor or ceiling.
WordReference Random House Unabridged Dictionary of American English © 2024joist ( joist),USA pronunciation n. - Buildingany of a number of small, parallel beams of timber, steel, reinforced concrete, etc., for supporting floors, ceilings, or the like.
v.t. - Buildingto furnish with or fix on joists.
- Latin *jacitum support, noun, nominal use of neuter of Latin jacitus (past participle of jacēre to lie), equivalent. to jaci- variant stem + -tus past participle suffix
- Old French
- Middle English giste 1325–75
Collins Concise English Dictionary © HarperCollins Publishers:: joist /dʒɔɪst/ n - a beam made of timber, steel, or reinforced concrete, used in the construction of floors, roofs, etc
Etymology: 14th Century: from Old French giste beam supporting a bridge, from Vulgar Latin jacitum (unattested) support, from jacēre to lie |