Main definitions of Fido in English

: Fido1Fido2

Fido1

noun

informal
  • A generic name for a pet dog.

Origin

From Latin fidō ‘I trust’.

Pronunciation

Fido

/ˈfīdō/

Main definitions of Fido in English

: Fido1Fido2

Fido2

noun

  • A system for dispersing fog using gasoline burners on the ground to enable aircraft to land. It was developed by the Allies during World War I.

    • ‘A heating method using oil-burning heaters arranged along the edge of an airfield runway was used during the second World War to disperse fog (known as FIDO, or Fog Intensive Dispersal of).’
    • ‘What they were witnessing for the first time was the faithful watchdog of distressed aircraft, the Carnaby FIDO.’

Origin

Acronym from Fog Intensive Dispersal Operation.

Pronunciation

Fido

/ˈfīdō/