01 n. One of the joists which rest one end on the wall and the other on a girder; also, the space between a wall and the nearest girder of a floo…
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1.
One of the joists which rest one end on the wall and the other on a girder; also, the space between a wall and the nearest girder of a floor. Cf. Case-bay.(Arch.) See: Case-bay
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2.
The part of a canal lock below the lower gates.