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Definition of thick-knee
thick-knee
Plural:thick-knees
thick-knee Lexical Profile
CEFR
C2
Grade
10
Tier
3
Usage
Rare
• noun
1
Any of several species of primarily nocturnal, ground-dwelling birds comprising the family Burhinidae, characterized by large eyes, cryptic plumage, and prominent, swollen joints in their long legs.
Example
"The bush thick-knee stood perfectly still, its plumage blending seamlessly into the dry Australian landscape to evade predators."
Synonyms
View all synonyms for thick-kneeWord Nuance & Usage
Although called a thick-knee, the visibly swollen joint on the bird's leg is anatomically the ankle (intertarsal joint), not the actual knee.
• Nearby Words
Word Origin & Etymology
Coined in the 18th century as a descriptive compound from 'thick' + 'knee', referencing the bird's distinctly swollen intertarsal joints.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Thick-knee. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/thick-knee