noctule

noc·tule  (nkchl)

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.

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[French, from Italian nottola, bat, owl, from Late Latin noctula, from Latin, diminutive of noctua, night owl; see nek^w-t- in Indo-European roots.]