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Webster 1913 Edition

Noun.

[Pg.]

(Naut.)

A kind of light vessel used on the coast of China, having the hull built on a European model, and the rigging like that of a Chinese junk.

Admiral Foote.

lorcha ‎(plural lorchas)

(nautical) A kind of light vessel used on the coast of China, having the hull built on a European model, and the rigging like that of a Chinese junk.
- 1901, Charles S. Leavenworth, The Arrow War with China
  At the same time, the fact must not be lost sight of, that the primary cause of the war was the affair on the lorcha "Arrow."