A cobblestone.

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

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

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

(intransitive) To make shoes (what a cobbler does).

(transitive) To assemble in an improvised way.

(transitive, intransitive) To use cobblestones to pave a road, walkway, etc.