headway

English

Etymology

From head + way.

Noun

headway (countable and uncountable; plural headways)

1. (nautical) Forward motion, or its rate.
2. (countable, transport) The interval of time or distance between the fronts of two vehicles (e.g. buses) moving in succession in the same direction, especially along the same pre-determined route.
3. (uncountable, figuratively) Progress toward a goal.
4. (countable) The clearance beneath an arch, ceiling or bridge; headroom.

Derived terms

• make headway

See also

• seaway