Fido

//ˈfaɪ.doʊ// name, noun

Definitions

Proper Noun
  1. 1
    A stereotypical given name for a dog.

    "He [Jimmy Goodson] also passed along some water-saving tips to customers from residents Ingrid and Doug Scott. “If it’s yellow, let it mellow; if it’s brown, flush it down. Urine is a sterile liquid and the toilet is not there for the purpose of Fido getting a drink or Junior floating his rubber ducky,” the couple said."

  2. 2
    Initialism of Fog Investigation and Dispersal Operation. abbreviation, alt-of, initialism
  3. 3
    Clipping of FidoNet. abbreviation, alt-of, clipping
  4. 4
    Initialism of Fast IDentity Online (Alliance), an industry association launched to develop and promote authentication standards. abbreviation, alt-of, initialism
Noun
  1. 1
    A coin that is defective, having been incorrectly minted, often prized by collectors.
  2. 2
    Acronym of flight dynamics officer. abbreviation, acronym, alt-of

Etymology

Etymology 1

From Spanish or Italian fido from Latin fīdus (“faithful”). Popularly claimed to be directly from Latin fīdō (“I trust, rely on”) instead of the Romance intermediary, but this might be folk etymology. The stereotypical dog's name is evidently very old; a newspaper from 1760 cites, "[a] small white Greyhound with a Collar, answers to the Name of Fido."

Etymology 2

An acronym of the words freaks, irregulars, defects, oddities, from the 1960s.

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