|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
vestigial ves·tig·i·al (vě-stĭj'ē-əl, -stĭj'əl)
Occurring or persisting as a rudimentary or degenerate structure.
|vestigial (vě-stĭj'ē-əl) Pronunciation Key
Relating to a body part that has become small and lost its use because of evolutionary change. Whales, for example, have small bones located in the muscles of their body walls that are vestigial bones of hips and hind limbs.