secure with or as if with ropes; "tie down the prisoners";
"tie up the old newspapers and bring them to the recycling shed" Synonym(s):tie down, tie up, bind, truss
invest so as to make unavailable for other purposes; "All my money is tied up in long-term investments"
restrain from moving or operating normally; "Traffic is tied up for miles around the bridge where the accident occurred"
secure in or as if in a berth or dock; "tie up the boat" Synonym(s):moor, berth, tie up