1. A block of wood used to prevent the sliding or rolling of a heavy object
   "They placed chocks under the wheels of the parked aircraft to keep it stationary";
   - wedge
    
2. (nautical) a ring with a gap at the top used to hold a rope
   "The sailor secured the line to the chock on the deck"

1. As completely as possible
   "it was chock-a-block full";
   - chock-a-block [informal], chockablock [informal], chocka [informal]

1. Secure with chocks
   "They chocked the wheels of the aeroplane to prevent it from rolling"
    
2. Support on chocks
   "chock the boat"

Derived forms: chocked, chocking, chocks

Type of: block, fasten, fix, hold, hold up, secure, support, sustain

Encyclopedia: Chock, Eric