Thyrsoidal :: Thyrsoidal (a.) Having somewhat the form of a thyrsus.
Thyrsus :: Thyrsus (n.) A staff entwined with ivy, and surmounted by a pine cone, or by a bunch of vine or ivy leaves with grapes or berries. It is an attribute of Bacchus, and of the satyrs and others engaging in Bacchic rites..
Thyrsus :: Thyrsus (n.) A species of inflorescence; a dense panicle, as in the lilac and horse-chestnut..