Main entry: free, release, unblock, unfreeze
Definition: make (assets) available
Usage: release the holdings in the dictator's bank account
Main entry: unblock
Definition: play the cards of (a suit) so that the last trick on which a hand can follow suit will be taken by a higher card in the hand of a partner who has the remaining cards of a combined holding
Main entry: unblock
Definition: clear or remove an obstruction from
Usage: the procedure unblocked his arteries