Origin of ECU; from E(uropean) C(urrency) U(nit)
Origin of ecuFrench, from Old French escu, from Latin sc&umacron;tum, shield (from the shield stamped on the coin); see skei- in Indo-European roots.
- (dated) The European Currency Unit (symbol ₠), a currency used in the European Community before the euro.
- European Currency Unit
- Engine control unit
- Electronic control unit
- (law) Abbreviation of Ecuador.
This is the customary abbreviation of this term as used in case citations. See, e.g., The Bluebook: A Uniform System of Citation, Nineteenth Edition (2010), "Geographical Terms: Foreign countries and regions", Table T10.3, p. 438-443.
ecu - Computer Definition
(Electronic Control Unit) An automotive electronics module that contains an embedded system. Today's vehicles may have 75 or more ECUs that control just about everything, including the operation of the engine, transmission, doors, windows, airbags and the user interface. See embedded system, automotive Ethernet and hardware-in-the-loop.