order Exocycloida


Also found in: Thesaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.order Exocycloida - flat sea urchins
animal order - the order of animals
class Echinoidea, Echinoidea - sea urchins and sand dollars
sand dollar - flattened disklike sea urchins that live on sandy bottoms
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.