Word.ws English Dictionary

pseudothumb

pseudothumb noun: a digit on a vertebrate that resembles but is not a thumb.

Noun

pseudothumb (plural pseudothumbs)

  1. A digit on a vertebrate that resembles but is not a thumb.
    • But a panda's forepaws are specially adapted for manipulating bamboo stems, with a modified elongated wrist bone forming the pseudothmb covered by a fleshy pad.2008, Heather Angel, Panda
    • The extra digit is a "pseudothumb” containing a sheathed spine that can be pushed out.2016, Tim Halliday, The Book of Frogs, page 542

Forms of pseudothumb

pluralpseudothumbs

Origin of pseudothumb

From pseudo- + thumb.

Questions about pseudothumb

What does pseudothumb mean?
Pseudothumb means a digit on a vertebrate that resembles but is not a thumb.
What part of speech is pseudothumb?
Pseudothumb is a noun.
What is the plural of pseudothumb?
The plural of pseudothumb is pseudothumbs.

Words near pseudothumb in the dictionary

  1. pseudothrombocytosis
  2. pseudothrombophlebitic
  3. pseudothrombophlebitis
  4. pseudothrombosis
  5. pseudothrombus
  6. pseudothumb
  7. pseudothumbs
  8. pseudotime
  9. pseudotimes
  10. pseudotirolitid
  11. pseudotirolitids

Source and license

Adapted from Wiktionary: pseudothumb (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-pseudothumb.wav.

Cite this entry: “pseudothumb.” Word.ws, https://word.ws/pseudothumb. Based on Wiktionary, CC BY-SA 4.0.