'Pollinium' definitions:

Definition of 'pollinium'

(from WordNet)
noun
A coherent mass of pollen grains (as in orchids)

Definition of 'Pollinium'

From: GCIDE
  • Pollinium \Pol*lin"i*um\, n.; pl. Pollinia. [NL. See Pollen.] (Bot.) A coherent mass of pollen, as in the milkweed and most orchids. [1913 Webster]