from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An insoluble white protein that is the essential component of raw silk and spider-web filaments.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A tough elastic protein that is the main component of silk and of spider's webs
from the GNU version of the Collaborative International Dictionary of English
- n. A variety of gelatin; the chief ingredient of raw silk, extracted as a white amorphous mass.
from The Century Dictionary and Cyclopedia
- n. The principal chemical constituent of silk, cobwebs, and the horny skeletons of sponges.
Sorry, no etymologies found.