What is "cantarro"

Cantar \Can"tar\, ||Cantarro \Can*tar"ro\, n. [It. cantaro (in sense 1), Sp. cantaro (in sense 2).]

1. A weight used in southern Europe and East for heavy articles. It varies in different localities; thus, at Rome it is nearly 75 pounds, in Sardinia nearly 94 pounds, in Cairo it is 95 pounds, in Syria about 503 pounds.

2. A liquid measure in Spain, ranging from two and a half to four gallons.
   --Simmonds. [1913 Webster] ||