What does Fossil stand for?

Fossil, Inc. - Associated Press (SAG)

Fido Opus Seadog Standard Interface Layer (SAUS)

Fido/Opus/Seadog Standard Interface Layer (VLIE)

Fido/Opus/Seadog Standard Interface Level (SAUS)

Flying Fossils, LLC - Air show performer (ASPC)

Frame Orientated System for Spectroscopic Inductive Learning - Data analysis