Meaning of DECIPHER in English

DECIPHER

de ‧ ci ‧ pher /dɪˈsaɪfə $ -ər/ BrE AmE verb [transitive]

1 . to find the meaning of something that is difficult to read or understand ⇨ indecipherable :

She studied the envelope, trying to decipher the handwriting.

2 . to change a message written in a ↑ code into ordinary language so that you can read it SYN decode

—decipherment noun [uncountable]

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.