from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having hairy buttocks.
from The Century Dictionary and Cyclopedia
- Having the posteriors covered with hair: said of the large anthropoid apes as distinguished from the gibbons and Old World monkeys, which have ischial callosities.
From Ancient Greek δασύς (dasus, "hairy, dense") + πυγή (pugē, "buttocks"). (Wiktionary)