(transitive) To fold (the corner of the page of a book or other publication).

a bone that is given to a dog to chew on and play with, similar to a dog biscuit. They can be real bones, or they can be made of other materials like plastic or leather

A dog bred for working cattle, sheep, or other livestock. For example, the various shepherd breeds.

The canid Nyctereutes procyonoides, the only extant species in the genus Nyctereutes of the Canidae or dog family, native to East Asia and widely introduced elsewhere in other cool parts of Eurasia.

(cynology) Any of several breeds of small dogs, kept as pets.

(Australia, New Zealand) A dog bred to hunt wild pigs, typically based on breeds such as Staffordshire Terrier and English Bull Terrier.

To surf in the pig dog stance.

(simile) Very ill.

(archaeology) Bronze Age artifact used in worshipping either bulls or the moon, or as a holder for wooden logs to be used in a fire altar.

(often figuratively) A dominant dog; a dog that is an alpha male or alpha female.