from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A large, reddish-brown insectivorous bat of the genus Nyctalus, found in Eurasia, Indonesia, and the Philippines and typically dwelling in the hollows of trees.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A bat, of the genus Nyctalus, that lives in tree hollows.
from the GNU version of the Collaborative International Dictionary of English
- n. A large European bat (Vespertilio altivolans syn. Noctulina altivolans).
from The Century Dictionary and Cyclopedia
- n. A bat of the genus Noctilio or family Noctilionidæ.
- n. Vespertilio or Vesperugo noctula, the largest British species of bat, being nearly 3 inches long without the tail, which is fully 1½ inches.
French, from Italian nottola, bat, owl, from Late Latin noctula, from Latin, diminutive of noctua, night owl.(American Heritage® Dictionary of the English Language, Fourth Edition)
New Latin, from noctua ("owl") + -ulus ("diminutive") (Wiktionary)