Meaning of the word vestigial in English

What does vestigial mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

vestigial

US /vesˈtɪdʒ.i.əl/
UK /vesˈtɪdʒ.i.əl/

Adjective

forming a small remnant of something that was once much larger or more noticeable

Example:
The appendix is a vestigial organ in humans.
The small, almost invisible wings of some flightless birds are vestigial.