a block of wood used to prevent the sliding or rolling of a heavy object
as completely as possible;
"it was chock-a-block full"
secure with chocks
support on chocks;
"chock the boat"
- Chock the barrel up or else it will roll over.
- Chock the back wheels when I stop .
- The milling machine was firmly chocked up.
- He stood chock up against the railing.