FIDO

[ fahy-doh ]

/ ˈfaɪ doʊ /

a system for evaporating the fog above airfield runways by the heat from burners.

Origin of FIDO

1940–45; f(og) i(nvestigation) d(ispersal) o(perations)

Meanwhile, Fido gambolled up to the cottage dame, and begged before her as if to solicit her good-will.
Baron Bruno|Louisa Morgan
While the man was thinking of this, Fido came running back again, and dashed at him furiously.
The Animal Story Book|Various
The vital question was simply this: what was the matter with Fido?
Flower of the Dusk|Myrtle Reed
Not willingly do they become flunkeys to Fido, bell boys to bull terriers, and toddlers after Towzer.
Sixes and Sevens|O. Henry

Sally cried; the name fitted the boss as happily as Fido would a rhinoceros.
The Sheriff of Badger|George B. Pattullo