MAINSPRING


Meaning of MAINSPRING in English

/mayn"spring'/ , n.

1. the principal spring in a mechanism, as in a watch.

2. the chief motive power; the impelling cause.

[ 1585-95; MAIN 1 + SPRING ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .