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Definition of basin
basin
/ˈbeɪ.sən/
ba · sin
Plural:basins
•Adjective:basinal
basin Lexical Profile
CEFR
B1
Grade
4
Tier
2
Usage
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Wordle Guess
• noun
1
A wide, round, and open container, especially one used for holding liquids or for washing.
Example
"She filled the porcelain basin with warm water and a few drops of lavender soap to wash her face."
2
A large natural depression in the Earth's surface, typically containing water or acting as the drainage area for a river system.
Example
"The Amazon basin contains the largest continuous stretch of tropical rainforest in the world."
3
An enclosed or partially enclosed body of water where boats or ships can be moored safely.
Example
"The yachts were safely anchored in the harbor basin before the severe storm arrived."
Synonyms
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Word Origin & Etymology
From Middle English 'basin', derived from Old French 'bacin', and ultimately from Vulgar Latin '*baccinum', meaning a wide, shallow vessel.
Cite this Entry
Wordmom. (2026). Definition of Basin. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/basin