from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An explosive consisting chiefly of picric acid.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An explosive consisting mostly of picric acid
from the GNU version of the Collaborative International Dictionary of English
- n. A high explosive consisting principally of picric acid, used as a shell explosive in the British service; -- so named from the proving grounds at Lydd, England.
from The Century Dictionary and Cyclopedia
- n. An explosive, consisting of picric acid melted and cast into a shell. It is difficult to detonate.
After Lydd, a municipal borough of southeast England.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Lydd where it was developed and tested. (Wiktionary)