PORTACIPHER


Meaning of PORTACIPHER in English

|pōrd.ə- noun

Usage: usually capitalized P

Etymology: after Giambattista della Porta died 1615 Italian physicist

: polyalphabetic substitution with reciprocal alphabets formed by sliding the second half of a normal alphabetic sequence against the first half

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.