of a body part or organ: remaining in a form that is small or imperfectly developed and not able to function : being or having the form of a vestige (see vestigesense 2)
a vestigial tail
Kiwis lack an external tail, and their vestigial wings are entirely hidden beneath a curious plumage—shaggy, more like fur than feathers … Stephen Jay Gould
2
: remaining as the last small part of something that existed before
It's held in the Gold Room, a vestigial ballroom of the kind that every downtown hotel uses for banquets and conventions. William Zinsser
Later colonial laws … prohibited even speaking the Pequot language, now long dead but for a few vestigial words. Kirk Johnson
Recent Examples on the WebAnd Elvis will become a lasting memory, Butler's own vestigial twin. Marco Della Cava, USA TODAY, 22 June 2022 Abelisaurids have stocky hind limbs, and like a Tyrannosaurus Rex, have stubby, vestigial forelimbs. Elizabeth Gamillo, Smithsonian Magazine, 15 June 2022 In his 1924 book Social Psychology, Allport made a sweeping inference from Darwin’s writing to say that expressions begin as vestigial in newborns but quickly assume useful social functions. Lisa Feldman Barrett, Scientific American, 27 Apr. 2022 Their siren-like cry — a harsh rising note that chills the vestigial part of the mammalian brain that remembers living in burrows — echoed off the stone buildings.Los Angeles Times, 5 Apr. 2022 Waymo will begin operating self-driving taxis in San Francisco without a person behind the car’s vestigial wheel. Nicolás Rivero, Quartz, 24 Mar. 2022 These sorts of failures are often vestigial features of actions designed with insufficient foresight and flexibility. Scott K. Johnson, Ars Technica, 7 Mar. 2022 The United States is once again a fifty-state proposition, and the Free States seems to have left no vestigial traces: New York is beset by AIDS, Harvey Milk has been assassinated, and the gay rights movement has proceeded unaltered. Rebecca Panovka, Harper’s Magazine , 18 Jan. 2022 The vestigial hips on my whale point back to her evolutionary ancestors. Peter Wayne Moe, Longreads, 25 Feb. 2022 See More