from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To tune.
- v. To intone.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To tune; to intone.
from The Century Dictionary and Cyclopedia
- To chant; intone.
- n. A tune; a song.
Sorry, no etymologies found.
Rapson, however, whom I used to see in the coin room at the British Museum, told me it should be "entune the sky" and it sounds as though he were right.
To learn more, visit Toyota at www.toyotanewsroom.com/entune.