Brown Driver Briggs

 1. to unite, join, bind together, be joined, be coupled, be in
league, heap up, have fellowship with, be compact, be a charmer
  1) (Qal)
1a1. to unite, be joined
1a2. to tie magic charms, charm
  2) (Piel)
1b1. to unite with, make an ally of
1b2. to unite, join, ally
  3) (Pual)
1c1. to be allied with, be united
1c2. to be joined together
  4) (Hiphil) to join together, pile up (words)
  5) (Hithpael) to join oneself to, make an alliance, league together