cograil
cograil · cograils
One of the rails of a cog railway, which engages the cogOne of the rails of a cog railway, which engages the cog; the rack of a rack railway.
Meaning
1 sensesOne of the rails of a cog railway, which engages the cog; the rack of a rack railway.
Origin
From cog + rail.From cog + rail.
Wiktionary, CC BY-SA 4.0 · source