معنی کلمه : fin keel
English
Not turned; not revolved or reversed. To leave no stone unturned, to leave nothing untried for accomplishing one's purpose. [He] left unturned no stone To make my guilt appear, and hide his own. Dryden.

Not turned; not revolved or reversed. To leave no stone unturned, to leave nothing untried for accomplishing one's purpose. [He] left unturned no stone To make my guilt appear, and hide his own. Dryden.