slime mold
n.
► Any of various primitive organisms of the phylum Acrasiomycota, especially of the genus Dictyostelium, that grow on dung and decaying vegetation and have a life cycle characterized by a slimelike amoeboid stage and a multicellular reproductive stage. Also called cellular slime mold.
► Any of various organisms of the phylum Myxomycota that grow on decaying vegetation and in moist soil and have a similar but more advanced life cycle. Also called myxomycete.

[TahlilGaran] American Dictionary ▲