1. Tall annual marsh elder common in moist rich soil in central North America that can cause contact dermatitis; produces much pollen that is a major cause of hay fever
   - burweed marsh elder, false ragweed

Type of: iva, marsh elder

• ware
• warehouse
• warehouseman
• warehouseman's lien
• warehouser
• warehousing
• warez
• warfare
• warfarin
• warhead
• Warhol
• warhorse
• warily
• wariness
• Warji
• warlike
• warlock
• warlord
• Warlpiri
• warm
• warm front
• warm the bench
• warm to
• warm-blooded
• warm-bloodedness