An order of Bryozoa of which Rhabdopleura may be the kind. See rhabdopleura.
a course of Arthropoda, composed of the purchases Trilobita and Merostomata (the latter containing the Xyphosura, Synziphosura, and Eurypterida): so called through the foot-like or ambulatory personality associated with the mouth-parts. They have been a historical generalized kind, represented at the present time by the king-crabs just.
A theory or system of social reform which contemplates a complete reconstruction of society with a more just and equitable distribution of property and labor In popular usage the term is often employed to indicate any lawless revolutionary social scheme See Communism Fourierism Saint Simonianism forms of socialism...