(rail transport) A description of a railway track with (usually) three rails, which enables trains of two different track gauges to run over it.

A device that measures and records the depth and flow of a river or similar stream

plural of track gauge

Synonym of track gauge

(rail transport) Built as or for metre gauge.

plural of rail gauge

(rail transport, UK) Having a restrictive loading gauge, limiting which rail vehicles may be used.

(rail transport) The specified distance between the rails of a railway.

plural of line gauge

Synonym of pica stick