Wordnet 3.0
NOUN (1)
1.
one of four subclasses or superorder of Monocotyledones;
comprises about 6400 species in 5 families of trees and shrubs and terrestrial herbs and a few free-floating aquatics including: Palmae;
Araceae;
Pandanaceae and Lemnaceae;
[syn: Arecidae, subclass Arecidae]
WordNet (r) 3.0 (2006):
subclass Arecidae
n 1: one of four subclasses or superorder of Monocotyledones;
comprises about 6400 species in 5 families of trees and
shrubs and terrestrial herbs and a few free-floating
aquatics including: Palmae; Araceae; Pandanaceae and
Lemnaceae [syn: Arecidae, subclass Arecidae]