1. In division, with shares to each
   "the top leadership divides the spoils amongst themselves";
   - among, between
    
2. Internal to, involving members of (a group of people)
   "they argued amongst themselves";
   - among, between, within
    
3. In the middle of
   "I found it amongst the trees";
   - amid, amidst, among, mid [literary]
    
4. Being a member (or members) of, in the class of
   "amongst other things, she said...";
   - among

Encyclopedia: Amongst