Meaning of BILATERAL in English

[] adj (1775) 1: having two sides

2: affecting reciprocally two nations or parties "a ~ treaty" "a ~ trade agreement" 3 a: of, relating to, or affecting the right and left sides of the body or the right and left members of paired organs "~ nephrectomy" b: having bilateral symmetry -- n -- adv

Merriam-Webster English vocab.      Английский словарь Merriam Webster.