Merlin's-grass

noun
Mer·​lin's-grass | \ ˈmərlə̇nz+ˌ-\
plural Merlin's-grasses

Definition of Merlin's-grass

: a common European quillwort (Isoetes lacustris)

History and Etymology for Merlin's-grass

probably after Merlin, legendary 5th century Welsh wizard

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