Definitions
from The Century Dictionary.
- noun A roof that has two equal inclined planes or sides, in contradistinction to a pent-roof or lean-to roof.
Etymologies
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Examples
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Tomatoes, from the small suburban greenhouse to the vast span-roof, hundreds of feet in length, devoted to their culture in the Channel
The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition Sutton and Sons
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During the remainder of the year, they occupy a three-quarter span-roof house, in which an intermediate temperature is maintained.
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"In the winter of 1863-4, I finished two span-roof houses, each 60 feet in length, with water tanks three feet in width, running entirely around on both sides of each house, and heated by a single furnace.
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