from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The celebration of May Day, especially by the gathering of spring flowers.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The celebrations traditionally held to celebrate May Day.
from the GNU version of the Collaborative International Dictionary of English
- n. The celebrating of May Day.
from The Century Dictionary and Cyclopedia
- n. The observance of May-day, and the sports and games indulged in on that occasion.
From May + -ing, or may (“celebrate May Day festivities”) + -ing. (Wiktionary)