Draco \Dra"co\, n. [L. See Dragon.]

1. (Astron.) The Dragon, a northern constellation within which is the north pole of the ecliptic.

2. A luminous exhalation from marshy grounds.

3. (Zo["o]l.) A genus of lizards. See Dragon, 6.

Source: Webster's Revised Unabridged Dictionary (1913)