- a newt, especially the eastern newt, Notophthalmus viridescens (red eft), in its immature terrestrial stage.
- Obsolete. a lizard.
- a dialect or archaic name for a newt
- any of certain terrestrial newts, such as Diemictylus viridescens (red eft) of eastern North America
Old English efte, efeta “small lizard-like animal,” of unknown origin (see newt).