What is the meaning of Cobble?

A cobblestone.

A particle from 64 to 256 mm in diameter, following the Wentworth scale.

A piece of steel that becomes malformed during its manufacture or rolling.

To make shoes (what a cobbler does).

To assemble in an improvised way.

To use cobblestones to pave a road, walkway, etc.

Alternative form of coble (a kind of fishing-boat)

Source: wiktionary.org