from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A cement made in India from seashells pulverized and mixed with oil, and spread over a ship's bottom to prevent worms from boring into it.
from the GNU version of the Collaborative International Dictionary of English
- n. A cement made in India from sea shells, pulverized and mixed with oil, and spread over a ship's bottom, to prevent the boring of worms.
from The Century Dictionary and Cyclopedia
- n. A sort of chunam or cement made of pounded sea-shells mixed with oil, which hardens like stone, and is used in India to cover ships' bottoms. It is impenetrable by worms even when unprotected by copper.