WordWeb Online

1. With a forward motion
   "we drove along admiring the view"; "the horse trotted along at a steady pace"; "move along";
   - on
    
2. In accompaniment or as a companion
   "his little sister came along to the movies"; "I brought my camera along"; "working along with his father"
    
3. To a more advanced state
   "the work is moving along"; "well along in their research"; "hurrying their education along"; "getting along in years"
    
4. In addition (usually followed by 'with')
   "we sent them food and some clothing went along in the package"; "along with the package came a bill"; "consider the advantages along with the disadvantages"
    
5. In line with a length or direction (often followed by 'by' or 'beside')
   "pass the word along"; "ran along beside me"; "cottages along by the river"

1. On, in traversing
   "came along the path";
   - by

Encyclopedia: Along, Arunachal Pradesh