Vestigial
- Pronunciation
- /ves-TIJ-ee-uhl/
- Category
- Anatomy
- Singular
- Vestigial structure
- Plural
- Vestigial structures
Definition
Referring to a body part or organ that has become functionless in the course of evolution.
Etymology
From Latin 'vestigium', meaning 'footprint' or 'trace'.
Example
The vestigial wings of certain beetles indicate that their ancestors could fly.
Synonyms
- Rudimentary
- Residual
Related Terms
- Evolution
- Atrophy
- Functionless
Usage Notes
Vestigial structures can provide important clues about the evolutionary history of a species.