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Any of numerous amoeboid protozoans belonging to the former superclass or phylum Sarcodina.

[New Latin Sarcōdīna, former superclass name, from Greek sarkōdēs, fleshy, from sarx, sark-, flesh.]

sar′co·din′i·an adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sarcodinian - protozoa that move and capture food by forming pseudopods
protozoan, protozoon - any of diverse minute acellular or unicellular organisms usually nonphotosynthetic
class Sarcodina, Sarcodina - characterized by the formation of pseudopods for locomotion and taking food: Actinopoda; Rhizopoda
actinopod - protozoa having stiff rodlike radiating pseudopods