- (architecture) One of the joists which rest one end on the wall and the other on a girder.
- (architecture) The space between a wall and the nearest girder of a floor.
- The part of a canal lock below the lower gates.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for tail-bay in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)