From Longman Dictionary of Contemporary Englishtake to your heelstake to your heelswrittenESCAPE to start running away As soon as he saw me he took to his heels. → heel
Examples from the Corpus
take to your heels• The infantry detailed to guard them let off only a couple of volleys before also taking to their heels.• The boys jumped down and took to their heels.• Used to moving fast on jobs, Fitzgerald took to his heels and outran the bees over a couple of hundred yards.• The kids immediately took to their heels as Mrs Brewster appeared around the corner.• They took to their heels and ran up the road.• He jumped off the train, took to his heels, and was quickly out of sight.• The deer in turn took to their heels. 