from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. During the night
- adv. Every night.
from the GNU version of the Collaborative International Dictionary of English
- adv. By night; nightly.
from The Century Dictionary and Cyclopedia
- By night; nightly.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. at night
nocturnal + -ly (Wiktionary)