The Collaborative International Dictionary of English v.0.48:
ameboid \ameboid\ adj. Resembling an amoeba especially in the shape or manner of motion Syn: amoeboid [WordNet 1.5]WordNet (r) 3.0 (2006):
ameboid adj 1: like an amoeba (especially in having a variable irregular shape) [syn: ameboid, amoeboid]