Definition of "Corea"

I would take the ſame method if I was to go to diſcover the North Eaſt Paſſage. I would winter about Japan, Corea, or the North Eaſt part of China; and taking the Spring and Summer before me, I would make my firſt trial on the Coaſt of Tartary [...]

1699, William Dampier, A New Voyage round the World, page 274

The Mantchews, thus maſters of Corea, endeavoured to compel their new ſubjects to ſhave their heads, after their manner, and to adopt the Tartar dreſs.

1788, Jean-Baptiste Grosier, translated by unknown, A General Description of China, page 245

The Amnok, called also the Yalu, is a fine river which divides Corea from Manchuria.

1888 April 7, “'The Hermit Land.'”, in Chambers's Journal (Fifth Series)‎, volume V, number 223, page 209

In the latter country it is mostly black and known as Whitby jet, while in Corea and Japan it is red in color and opaque.

1922, Elizabeth F. Parker, Amber, page 12