'Rocket larkspur' definitions:

Definition of 'rocket larkspur'

From: WordNet
noun
Commonly cultivated larkspur of southern Europe having unbranched spikelike racemes of blue or sometimes purplish or pinkish flowers; sometime placed in genus Delphinium [syn: rocket larkspur, Consolida ambigua, Delphinium ajacis]

Definition of 'Rocket larkspur'

From: GCIDE