from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A dreamlike, romantic, or uncritical sense of well-being.
- n. A cluster of stars too distant to be seen individually, resembling a dimly luminous cloud of dust. Not in scientific use.
- n. Minute particles of matter that fall to Earth from the stars. Not in scientific use.
- idiom have stardust in (one's) eyes To be uncritically or unrealistically optimistic.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Particles of matter that fall from the stars down to Earth; often used idiomatically to suggest a fanciful or dreamlike quality.
- n. A distant cluster of stars, resembling a cloud, the individual stars of which cannot be resolved.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a dreamy romantic or sentimental quality
star + dust. (Wiktionary)