The Trent is unusual amongst MISC@1 rivers in that it flows north -LRB- for the second half of its route -RRB- , and is also unusual in exhibiting a tidal bore , the `` Trent Aegir '' .

ORGANIZATION@1 Dictionary It is unusual amongst MISC@1 rivers in that it flows north -LRB- for the second half of its route -RRB- , and is also unusual in exhibiting a tidal bore , the `` Aegir '' .
