eel /iːl/noun 16verb 2forms 3phrases 1 noun16 •Any freshwater fish of the order Anguilliformes, which are elongated and resemble snakes. •A European eel (Anguilla anguilla). •Various other animals that resemble true eels, chiefly in shape. •Other ray-finned fishes. •An electric eel (any knifefish of the genus Electrophorus) •A swamp eel (any fish in the family Synbranchidae). •An earthworm eel, also called the spineless eel (any fish in the family Chaudhuriidae). •A spiny eel (any fish in the family Mastacembelidae). •A deep-sea spiny eel (any fish in the family Notacanthidae). •Certain amphibians. •A conger eel, also called the Congo eel, amphiuma, and Congo snake (any salamander of the genus Amphiuma). •A two-legged eel, also called the mud eel and lesser siren, Siren intermedia. •A leopard eel, also called the leopard siren and reticulated siren, Siren reticulata. •A rubber eel, Typhlonectes natans. •A vinegar eel, a roundworm of species Turbatrix aceti. •Someone or something that is sneaky and/or hard to catch.That Dennis is a right eel, he always seems to slip away from the scene at the right time. verb2 •To move with a sinuous motion like that of an eel. •To fish for eels. formseeled · eeling · eels Phrases with eel slippery as an eelSo slippery that it is almost impossible to hold.
