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Definition of apteryx
apteryx
/ˈæp.tər.ɪks/
ap · ter · yx
Plural:apteryxes
apteryx Lexical Profile
CEFR
C2
Grade
11
Tier
3
Usage
Rare
apteryx Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
Any of several flightless, nocturnal birds of the genus Apteryx, endemic to New Zealand, characterized by a stout body, hair-like feathers, vestigial wings, and a long, slender bill.
Example
"The zoologist carefully observed the apteryx foraging for grubs in the dense native underbrush of the sanctuary."
Synonyms
View all synonyms for apteryxWord Nuance & Usage
The term 'apteryx' is primarily used in scientific, taxonomic, or highly formal contexts; in everyday English, this flightless bird is almost exclusively referred to as the 'kiwi'.
• Rhymes for apteryx
Word Origin & Etymology
Coined in the early 19th century from Modern Latin, derived from the Greek 'a-' (without) and 'pterux' (wing), referring to the bird's flightless nature and lack of visible wings.
Cite this Entry
Wordmom. (2026). Definition of Apteryx. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/apteryx