Etymology From over- + line, by analogy with underline.
1
Synonym of overbar.
overline
verb
Etymology From over- + line, by analogy with underline.
1
Synonym of overbar.
overline
adj
Etymology From over- + line, by analogy with underline.
1
Passing over a railway line.
The greatest number of bridges requiring modification are overline bridges, and many methods are adopted in reconstructing and altering them to give increased clearances.1958 July 23, “Bridge Reconstruction for L.M.R. Electrification”, in Railway Magazine, page 465:
Despite this slight delay, a bad slowing at Borrowash for an overline bridge under construction, and signals outside Derby, we arrived there "on time" by the public book, though 1¾ min. late by the working book.1960 March, Cecil J. Allen, “Locomotive Running Past and Present”, in Trains Illustrated, page 176:
1 more example
The total cost of overline bridges in 1965 was £1,506,000 […]1967, Great Britain. Parliament. House of Commons, Papers by Command, volume 39, page 51: