WordWeb Online

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

Encyclopedia: Among