from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a filmy, translucent crust found in port and other old wines which have been bottled-aged for a long time
from the GNU version of the Collaborative International Dictionary of English
- n. The second crust formed in port and some other wines after long keeping. It consists of pure, shining scales of tartar, supposed to resemble the wing of a bee.
from The Century Dictionary and Cyclopedia
- n. A gauzy film in port and some other wines, indicative of age; hence, sometimes, the wine itself. Also written bee's-wing.
From bee + ’s + wing. (Wiktionary)