East-indiaman Definition

noun

1919, O. F. Mentzel, Life at the Cape in Mid-eighteenth Century, page 163,

Even Dutch East Indiamen are not all the same size, but for the benefit of such of my readers as are curious after knowledge, and have never had an opportunity of seeing for themselves big, ocean-going vessels, I will try to describe the general type to which most Indiamen belong.

Wiktionary

2009, Femme S. Gaastra, Chapter 4: Soldiers and Merchants: Aspects of Migration from Europe to Asia in the Dutch East India Company in the Eighteenth Century, Wim Klooster (edit), Migration, Trade, and Slavery in an Expanding World, page 111,

As the smaller chambers would then not have the opportunity to hire a junior merchant—because they built and equipped only East Indiamen of the second charter—the rule was adjusted in 1772.

Wiktionary