Word.ws English Dictionary

protobirds

protobirds is the plural of protobird.

Meaning of protobird

Noun

protobird (plural protobirds)

  1. (informal) Any of several extinct animals proposed as an evolutionary link between fossil reptiles and fossil birds; a proavian.

Questions about protobirds

What is protobirds the plural of?
Protobirds is the plural of protobird.

Words near protobirds in the dictionary

  1. protobiontic
  2. protobionts
  3. protobioside
  4. protobiotic
  5. protobird
  6. protobirds
  7. protoblattoid
  8. protoblattoids
  9. protoboard
  10. protoboards
  11. protobranch

Source and license

Adapted from Wiktionary: protobirds (page history and authors); protobird (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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Cite this entry: “protobirds.” Word.ws, https://word.ws/protobirds. Based on Wiktionary, CC BY-SA 4.0.