Pronunciation: (sim-pō'dē-um), [key]
—pl. -di•aPronunciation: (-dē-u). [key] Bot.
an axis or stem that simulates a simple stem but is made up of the bases of a number of axes that arise successively as branches, one from another, as in the grapevine. Cf. monopodium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.