dalen.[AS. dl; akin to LG., D., Sw., Dan., OS., & Goth. dal, Icel. dalr, OHG. tal, G. thal, and perh. to Gr. qo`los a rotunda, Skr. dhra depth. Cf. Dell.]1. A low place between hills; a vale or valley.()Where mountaines rise, umbrageous dales descend. (Thomson.)2. A trough or spout to carry off water, as from a pump.(Knight.)