make (assets) available; "release the holdings in the dictator's bank account"
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
clear or remove an obstruction from; "the procedure unblocked his arteries"
protected by trademark or patent or copyright; made or produced or distributed by one having exclusive rights; "`Tylenol' is a proprietary drug of which `acetaminophen' is the generic form"