C2 noun #68,286 most common

A train used by the postal service to transport mail, and in some cases, to sort mail en route.

mail train in 30 Seconds

  • (noun) A train used by the postal service to transport mail, and in some cases, to sort mail en route.

Meanings

  1. 1
    noun A train used by the postal service to transport mail, and in some cases, to sort mail en route.
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