Dictionary
Words, grammatical forms and meanings linked to the ontology.
lifting span en · NOUN
Meanings
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A span of a bridge that can be raised to allow boats and ships through; these can have different forms.
The vertical lifting span is raised on four reinforced concrete piers which are some 130 ft. high. […] The lifting span, which rises vertically between the towers, weighs 465 tons and is counterweighted by four 110-ton weights.
1960 June 14, “New Lifting Bridge at Kings Ferry”, in Railway Magazine, page 388:
Forms