hound's-tongue has definitions from the field of botany
1
[ noun ] (botany) perennial shrub of North America having coarse tongue-shaped leaves and pale-blue to purple flowers

Related terms

herb Cynoglossum

2
[ noun ] (botany) biennial shrub of Europe and western Asia having coarse tongue-shaped leaves and dark reddish-purple flowers

Related terms

herb Cynoglossum

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