1a North American freshwater turtle with a red or yellow patch on the side of the head.
- Genus Trachemys (or Pseudemys), family Emydidae: several species, in particular the red-eared (or pond) slider (T. scripta)
2 Baseball a pitch that moves laterally as it nears home plate. 3
) a sliding door, especially one with a glass panel.
4a small sandwich, typically no bigger than three inches across and served on a bun. 5 Electronics a knob or lever that is moved horizontally or vertically to control a variable, such as the volume of a radio.