ash key
/ˈæʃˌkiː/
noun
- The winged seed of an ash tree, which spins as it falls to the ground.
- In autumn, the ground under the ash tree was covered with ash-keys.
- Children love to toss ash-keys into the air and watch them twirl down.
- Each ash-key contains a single seed that can grow into a new tree.
Synonyms