a domesticated carnivorous mammal that typically has a long snout, an acute sense of smell, non-retractable claws, and a barking, howling, or whining voice

an unpleasant, contemptible, or wicked man

he was interrupted by cries of ‘dirty dog!’

come out, Michael, you dog!

used in names of dogfishes, e.g. sandy dog, spur-dog

a mechanical device for gripping

feet

barriers used to keep horses off a particular part of the track

follow (someone) closely and persistently

photographers seemed to dog her every step

act lazily; fail to try one's hardest

Eric had a reputation for dogging it a little

grip (something) with a mechanical device

she has dogged the door shut