WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / arbor day arbor day noun 9 letters Scrabble 14 WWF 14 Definitions noun a day designated for planting trees Look “arbor day” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →