In this Tennyson work, Sir Bedivere is told to "take Excalibur, and fling him far into the middle mere"
[DOC] [TLE] The Works of Alfred, Lord Tennyson - Google Books [PAR] The Works of Alfred, Lord Tennyson, Svazek 3 ... Alfred Tennyson Baron 
Tennyson ... seem'd shame shield Sir Balin Sir Bedivere Sir Kay Sir Lancelot Sir 
Pelleas ... like a king : And, wheresoever I am sung or told In aftertime, this also 
shall be known .