A leap, jump, or a dance. Often written 踊り for 'dance', but 躍り appears in literary or set expressions (e.g. 躍り食い).
祭りでは古い躍りが披露された。
At the festival an old dance was performed.
居酒屋で、珍しいイカの躍り食いを頼んだ。
At the izakaya I ordered the unusual dish of live-squid 'dancing' (odorigui).
子どもたちは嬉しそうに躍りを見せた。
The children happily showed their dance.