A burrowing canine mammal, noted for its cunning.
A sly, crafty person.
" He's some fox," said Lund. – A Man to His Mate by J. Allan Dunn
" It's the fox," cried Doris. – Half-Past Bedtime by H. H. Bashford
He tried to sell Pasquale out to Farrugia and the old fox got his letter. – Steve Yeager by William MacLeod Raine