NOCTURNALLY
Noc*tur"nal*ly, adv.

Defn: By night; nightly.

NOCTURNE
Noc*turne", n. Etym: [F. See Nocturn.] (Mus.)

Defn: A night piece, or serenade. The name is now used for a certain graceful and expressive form of instrumental composition, as the nocturne for orchestra in Mendelsohn's "Midsummer-Night's Dream" music.

NOCUMENT
Noc"u*ment, n. Etym: [LL. nocumentum, fr. L. nocere to hurt.]

Defn: Harm; injury; detriment. [Obs.]

NOCUOUS
Noc"u*ous, a. Etym: [L. nocuus, fr. nocere to hurt.]

Defn: Hurtful; noxious. [R.] — Noc"u*ous*ly, adv. [R.]

NOD Nod, v. i. Etym: [OE. nodden; cf. OHG. kn, genuot, to shake, and E. nudge.]

1. To bend or incline the upper part, with a quick motion; as, nodding plumes.