1. a round open container used for holding water or other liquids
2. a shallow area of land that is lower than the surrounding area
Usage: geography
3. the area of land from which water flows into a particular river or lake
Usage: geography

Examples

• She filled the basin with warm water to wash her face.
• The bathroom sink has a white porcelain basin.
• The town sits in a mountain basin surrounded by peaks.
• The Amazon basin covers millions of square miles.
• Rivers in this basin all flow toward the Atlantic Ocean.
• The yacht harbor has a large tidal basin for boats.
• Water collected in the basin after the heavy rain.