Definition of "fossil" in Englisch

noun

1. The mineralized remains of an animal or plant.

2. (paleontology) Any preserved evidence of ancient life, including shells, imprints, burrows, coprolites, and organically-produced chemicals.

3. (linguistics) A fossil word.

4. (figuratively) Anything extremely old, extinct, or outdated.

5. (figuratively, derogatory) An extremely old or outdated person.