"Knock the chocks" is a term used in nautical or aviation industries referring to removing the wheel chocks that keep the vessel or aircraft securely in place. Synonyms for this term can include "removing the blocks," "releasing the brakes," "unfastening the anchors," or "disengaging the lock." These phrases all describe the act of releasing any mechanism that is holding a vehicle or vessel in place and allowing it to move freely. In any industry where safety and precision are paramount, it's important to use the appropriate language to ensure clear communication and avoid confusion.