There are 2 main definitions of Fido in English:

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Fido1

Line breaks: Fido
Pronunciation: /ˈfʌɪdəʊ
 
/

noun

informal
A generic name for a pet dog.

Origin

from Latin fidō 'I trust'.

Definition of Fido in:

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There are 2 main definitions of Fido in English:

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Fido2

Line breaks: Fido
Pronunciation: /ˈfʌɪdəʊ
 
/
historical

noun

A system for enabling aircraft to land, involving the dispersal of fog by means of petrol burners on the ground. It was developed by the Allies during the Second World War.
Example sentences
  • What they were witnessing for the first time was the faithful watchdog of distressed aircraft, the Carnaby FIDO.
  • 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).

Origin

acronym from Fog Intensive Dispersal Operation.

Definition of Fido in:

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