retention : Idioms & Phrases
retention basin
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noun a storage site similar to a detention basin but the water in storage is permanently obstructed from flowing downstream
WordNet
Retention cyst
(Med.) , a cyst produced by obstruction of a duct leading from a secreting organ and the consequent retention of the natural secretions.
Webster 1913
urinary retention
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noun holding urine in the urinary bladder
- he has a problem with urinary retention