'Pneumatophore' definitions:

Definition of 'pneumatophore'

(from WordNet)
noun
An air-filled root (submerged or exposed) that can function as a respiratory organ of a marsh or swamp plant

Definition of 'Pneumatophore'

From: GCIDE
  • Pneumatophore \Pneu*mat"o*phore\, n. [Pneumato- + Gr. fe`rein to bear.] (Zool.) One of the Pneumonophora. [1913 Webster]