Pronunciation: (pi-dung'kul, pē'dung-),[key] —n. 1. Bot. a. a flower stalk, supporting either a cluster or a solitary flower.
b. the stalk bearing the fruiting body in fungi.
2. Zool.a stalk or stem; a stalklike part or structure.
3. Anat. a. a stalklike structure composed of white matter, connecting various regions of the brain.
b. an attachment process, as in the brachiopods.