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Webster 1913 Edition

Noun.

[Hind.

galgal

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.

gulgul ‎(uncountable)

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.

gulgul