yardmaster means A railway employee who is in charge of a railway yard. Lexicurio rates it Sui generis — a strength score of 85 out of 100.
Etymology
From yard + master.
noun
- A railway employee who is in charge of a railway yard.“Each evening the Yardmaster in charge of each yard prepares a list of the freight trains (booked and special) which he proposes to run next day.”