‖n.; pl. Thyrsi [ L., fr. Gr. &unr_;. Cf. Torso. ] 1. 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. [ 1913 Webster ]

A good to grow on graves
As twist about a thyrsus. Mrs. Browning. [ 1913 Webster ]

In my hand I bear
The thyrsus, tipped with fragrant cones of pine. Longfellow. [ 1913 Webster ]

2. (Bot.) A species of inflorescence; a dense panicle, as in the lilac and horse-chestnut. [ 1913 Webster ]