FIDO

n. coin with a minting error, coin that was imprinted incorrectly

Fido may mean:"Fido" is a common name for a pet dogFido (band), a punk/rock band from Melbourne, AustraliaFido (film), a 2006 Canadian zombie comedy filmFido (software), a software scheduled media downloader for GNU/LinuxFido Solutions, the Canadian wireless cellphone carrierfido.net, an internet service provider"Fido" is a common nickname for the Zimbabwean computer programming activist Fidelis Gwokuda
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adj. faithful, loyal, trustworthy, reliable, trusty

v. trust, confide, rely on, count on

adj. loyal, faithful; true

FInite DOmains. A constraint language implemented on top of Prolog.
ftp://ftp.uni-kl.de/pub1/Unix/languages/fido/.