fox

In a sentence

• Jag såg en räv springa genom skogen.

  I saw a fox running through the forest.

  Here, 'räv' is used to denote the animal 'fox' in a literal context.

• Personen är riktigt slug, som en räv.

  The person is really cunning, like a fox.

  Here, 'räv' metaphorically represents the trait of cunning, often associated with foxes in idiomatic expressions.

• Hon bar en rävpäls som höll henne varm.

  She wore a fox fur that kept her warm.

  Here, 'räv' refers to the material, specifically fur derived from a fox, in a descriptive context.