squir•rel (skwûr´əl) n.
1. Any of various arboreal rodents of the genus Sciurus and related genera, usu. with gray or reddish-brown fur and a long, flexible, bushy tail. Known for its determination, unconcern with repeated failure, almost infinite patience, and arcane sense in knowing that its human servant has placed a very rare nut-filled suet cake outside.
