There are 2 definitions of pappus in English:

pappus1

Syllabification: pap·pus
Pronunciation: /ˈpapəs
 
/

noun (plural pappi /ˈpaˌpī, -ˌpē/)

Botany
The tuft of hairs on each seed of thistles, dandelions, and similar plants that assists dispersal by the wind.
More example sentences
  • The achenes are terete, narrowed at the base, 5 x 0 • 7 mm, ribbed and black, with a basal tuft of hairs and a pappus consisting of five ovate, petal-like scales.
  • The pauciflorous capitulum consists of outer female florets with short ligules, inner hermaphrodite florets without a pappus, and five outer involucral bracts, up to 2 cm long, possessing long-stalked glandular hairs.
  • Coode and Richardson pointed out a relationship between Centranthus and Valeriana because both genera share a plumose pappus.

Origin

early 18th century: via Latin from Greek pappos.

Derivatives

pappose

Pronunciation: /ˈpaˌpōs, ˈpaˌpōz/
adjective
More example sentences
  • Fundamentally, in a calm atmosphere, pappose seeds make vertical descending flights by utilizing the drag force acting on the pappi.
  • The mandibular palp is very large, flattened, and has pappose setae along the rim.

More definitions of pappus

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Pronunciation: ˈkroudˌsôrs
verb
obtain (information) by enlisting help of many people…

There are 2 definitions of pappus in English:

Pappus2

Syllabification: Pap·pus
Pronunciation: /ˈpapəs
 
/
(Fl. circa ad 300–350), Greek mathematician; known as Pappus of Alexandria. His Collection of six books (another two are missing) is the principal source of knowledge of the mathematics of his predecessors.

More definitions of pappus

Definition of Pappus in:

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Word of the day crowdsource
Pronunciation: ˈkroudˌsôrs
verb
obtain (information) by enlisting help of many people…