'Pappus' definitions:
Definition of 'pappus'
From: WordNet
noun
Calyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelions
Definition of 'Pappus'
From: GCIDE
- Pappus \Pap"pus\, n. [L., an old man or grandfather; hence, a substance resembling gray hairs, Gr. ?.] (Bot.) The hairy or feathery appendage of the achenes of thistles, dandelions, and most other plants of the order Composit[ae]; also, the scales, awns, or bristles which represent the calyx in other plants of the same order. [1913 Webster]