Hypertext Webster Gateway: "headway"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Headway \Head"way`\, n.
1. The progress made by a ship in motion; hence, progress or
success of any kind.
2. (Arch.) Clear space under an arch, girder, and the like,
sufficient to allow of easy passing underneath.
From WordNet (r) 1.7 (wn)
headway
n 1: vertical space available to allow easy passage under
something [syn: {headroom}, {clearance}]
2: forward movement; "the ship made little headway against the
gale" [syn: {head}]
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.