1. Stout white-flowered perennial found wild in shallow fresh water; northern United States and Asia
   - water parsnip

Type of: bog plant, marsh plant, swamp plant

Part of: genus Sium, Sium

Encyclopedia: Sium suave

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• a good deal
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• a Kempis
• a la mode
• A level
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• a posteriori
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• A road
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• A'man
• A-bomb
• A-frame
• A-horizon
• A-list
• a-ok
• a-okay
• A-one
• A-scan ultrasonography