{adv.} 1. One beside the other in a row. * /Alice's dolls were lined up side by side on the window seat./ * /Charles and John are neighbors; they live side by side on Elm Street./ Compare: SHOULDER TO SHOULDER. 2. Close together. * /The two boys played side by side all afternoon./
SIDE BY SIDE
Meaning of SIDE BY SIDE in English
Dictionary of English idioms . Словарь английских идиом. 2012