Definition of delphinium
: any of a large genus (Delphinium) of the buttercup family that comprises chiefly perennial erect branching herbs with palmately divided leaves and irregular flowers in showy spikes and includes several that are poisonous — compare larkspur
Origin of delphinium
New Latin, genus name, from Greek delphinion larkspur, diminutive of delphin-, delphis dolphin; probably from the shape of the nectary
First Known Use: 1664
Rhymes with delphinium
Medical Definition of delphinium
1 capitalized : a large genus of the buttercup family (Ranunculaceae) that comprises chiefly perennial herbs with divided leaves and flowers in showy spikes and includes several especially of the western United States that are toxic to grazing animals and especially cattle—see larkspur, stavesacre
2: any plant of the genus Delphinium
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Medical Dictionary: Definition of "delphinium"
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