from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or relating to a stage of tool culture of the Lower Paleolithic Period between the second and third interglacial periods, characterized by flaked bifacial hand axes.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Alternative spelling of Acheulean.
- n. Alternative spelling of Acheulean.
from The Century Dictionary and Cyclopedia
- Of or pertaining to Saint-Acheul, in the Somme valley, northern France.
French acheuléen, after St. Acheul, a hamlet in northern France.(American Heritage® Dictionary of the English Language, Fourth Edition)