Thayer's Greek Lexicon

 1. to lay upon in addition to
2. to lay upon one's self in addition
  1) to undertake besides
  2) to put one's self upon another by going to him,
  3) to commit or betake one's self to another for the purpose of
consulting him
  4) to consult, to take one into counsel
  5) to add from one's store
3. to communicate, impart