noun \ˈfī-(ˌ)dō\
plural fidos

Definition of FIDO

:  a coin having a minting error

Origin of FIDO

freaks + irregulars + defects + oddities
First Known Use: 1967


Next Word in the Dictionary: fiducia
Previous Word in the Dictionary: fidley
All Words Near: fido

Seen & Heard

What made you want to look up fido? Please tell us where you read or heard it (including the quote, if possible).