Meaning ofduck potatoin English

Noun

1. a type of water plant with edible tubers
   The duck potato is a type of aquatic plant with edible roots.
2. broadleaf arrowhead plant species
   Broadleaf arrowhead is also known as duck potato in some regions.
3. arum-leaved arrowhead plant species
   The duck potato plant has attractive leaves and edible tubers.