headway Meaning, Definition & Usage
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noun vertical space available to allow easy passage under something
headroom; clearance.
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noun forward movement
head.
- the ship made little headway against the gale
WordNet
Head"way` noun
Definitions
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The progress made by a ship in motion; hence, progress or success of any kind. -
(Arch.) Clear space under an arch, girder, and the like, sufficient to allow of easy passing underneath. = clearance, or headroom[Brit.]