any protozoan of the phylum Rhizopoda, esp any of the genus Amoeba, able to change shape because of the movements of cell processes (pseudopodia). They live in fresh water or soil or as parasites in man and animals
[C19: from New Latin, from Greek amoibē change, from ameibein to change, exchange]
amebaorameba (əˈmiːbə, -biː)
—n
[C19: from New Latin, from Greek amoibē change, from ameibein to change, exchange]