Refers to the groove or track left by a wheel. Often used in the set phrase 軌を一にする (to follow the same path or be in line with).
See also: 軌を一にする (きをいつにする)
Deep ruts remained in the mud.
gauge; track width
Technical term for the distance between two wheels on the same axle, or the track gauge of a railway.
This vehicle has a wide track.
The opinions of both parties are in line with each other.
The railway uses standard gauge.
orbit; trajectory · railroad track; rail · right track; proper course
tire track; wheel track · traces; path taken; record of a course · locus
normal course; proper course; regular way
rail (of a railroad)
railway gauge; track gauge
The kanji 軌 originally depicts a wheel track or rut. The reading き is the on'yomi, commonly used in compounds. The exact historical derivation is uncertain, but the character has long been associated with wheel-related concepts.