Culvert
Zell's Condensed Dictionary · 1879 · p. 14
(külvürt.) [O. Fr., covered.) (Civ. Engin.) Au arched drain or channel, constructed of masonry. [s. 252]
Bu kavram başka kaynaklarda da geçiyor
The American Dictionary and Cyclopedia (1910)
Webster's Condensed Dictionary- A Condensed Dictionary of the English Language (1909)
Chamber's Twientieth Century Dictionary (1908)
Chandler's Encyclopedia (1898)
Dictionary of Science, Literature and Art (1842)
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