The definition of a panicle is a cluster of flowers on a branch.(noun)
A lilac is an example of a panicle.
See panicle in Webster's New World College Dictionary
Origin: L panicula, tuft on plants, panicle, dim. of panus, a swelling, ear of millet: see panic
See panicle in American Heritage Dictionary 4
Origin: Latin pānicula
Origin: , feminine diminutive of pānus, a swelling, main stalk of a panicle.
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