What is "crayer"

Crare \Crare\ (kr?r), n. [OF. craier, creer, croyer, ship of war, LL. craiera, creyera, perh. from G. krieger warrior, or D. krijger.] A slow unwieldy trading vessel. [Obs.] [Written also crayer, cray, and craie.]
--Shak.

n. (context nautical English) A two- or three-masted sailing vessel formerly used for transporting cargo in the Baltic Sea