cobble

1. A cobblestone.
2. Geology A rock fragment between 64 and 256 millimeters in diameter, especially one that has been naturally rounded.
3. cobbles See cob coal.

Origin:

Origin: Short for cobblestone

1. To make or mend (boots or shoes).
2. To put together clumsily; bungle: cobbled a plan together at the last minute.

Origin:

Origin: Probably back-formation from cobbler¹