kenning

/ˈkɛnɪŋ/
noun
  1. A figurative compound expression used in Old Norse and Old English poetry, especially as a metaphor for a common thing (e.g., 'whale-road' for the sea).
    • The teacher explained that 'bone-house' is a kenning for the human body.
    • In the poem, 'swan-road' is a kenning for the ocean.
    • Students wrote their own kennings, like 'book-worm' for a reader.