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Definition of ribcage
ribcage
/ˈrɪb.keɪdʒ/
rib · cage
Plural:ribcages
ribcage Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
Top 10k
Syllables
2
ribcage Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The bony framework of the thoracic cavity, consisting of the ribs, sternum, and thoracic vertebrae, which encloses and protects the heart and lungs.
Example
"The anatomy model clearly illustrates how the ribcage expands and contracts during respiration."
Synonyms
View all synonyms for ribcage• Nearby Words
Word Origin & Etymology
Formed as a compound of 'rib' (from Old English 'ribb') and 'cage' (from Old French 'cage', ultimately from Latin 'cavea' meaning 'hollow place' or 'enclosure'), comparing the protective skeletal structure of the chest to a barred enclosure.
Cite this Entry
Wordmom. (2026). Definition of Ribcage. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/ribcage