|Noah Webster's Dictionary|
1. (n.) The progress made by a ship in motion; hence, progress or success of any kind.
2. (n.) Clear space under an arch, girder, and the like, sufficient to allow of easy passing underneath.
Headway (3 Occurrences)
Mark 6:48 Seeing them distressed in rowing, for the wind was contrary to them, about the fourth watch of the night he came to them, walking on the sea, and he would have passed by them, (See RSV)
Acts 27:7 When we had sailed slowly many days, and had come with difficulty opposite Cnidus, the wind not allowing us further, we sailed under the lee of Crete, opposite Salmone. (See NIV)
Acts 27:15 She was unable to make headway against the gale; so we gave up and let her drive. (WEY BBE)