noun vertical space available to allow easy passage under something
noun forward movement
- the ship made little headway against the gale
- 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.]
Sharpen your Skills with the Masters
"Rowling never met an adverb she didn't like."
-Stephen King on J.K Rowling's excessive use of adverbs.
Fear not the Adverb Hell!