What does "edgeway" mean?

A form of railway in which the road is causewayed up to the level of the top of the flanges.

What is a synonym for "edgeway"?

Common synonyms include: aside, askance, broadside, edgewise, on the beam, on the other hand.

noun

noun ·2 syllables ·Rare ·Advanced level

Noun

1
A form of railway in which the road is causewayed up to the level of the top of the flanges.

From edge + way.