| 释义 |
Definition of signal light in English: signal lightnoun A light used for signalling, as on board a ship, on a railway, fitted to motor vehicles, etc.
Origin Mid 18th century; earliest use found in The London Magazine. Definition of signal light in US English: signal lightnoun A light used for signalling, as on board a ship, on a railway, fitted to motor vehicles, etc.
Origin Mid 18th century; earliest use found in The London Magazine. |