[pneu.mat.o.phore] n [ISV] (1859) 1: a muscular gas-containing sac that serves as a float on a siphonophore colony
2: a root often functioning as a respiratory organ in a wetland plant
[pneu.mat.o.phore] n [ISV] (1859) 1: a muscular gas-containing sac that serves as a float on a siphonophore colony
2: a root often functioning as a respiratory organ in a wetland plant
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012