- (n.) A combination or interweaving of letters, as the initials of a name; a device; a monogram; as, a painter's cipher, an engraver's cipher, etc. The cut represents the initials N. W.
- (n.) A character in general, as a figure or letter.
- (n.) A private alphabet, system of characters or other mode of writing, contrived for the safe transmission of secrets; also, a writing in such characters.
- (v.t.) To decipher.
- (v.i.) To use figures in a mathematical process; to do sums in arithmetic.
- (a.) Of the nature of a cipher; of no weight or influence.
- (v.t.) To get by ciphering; as, to cipher out the answer.
- (v.t.) To designate by characters.
- (n.) A character [0] which, standing by itself, expresses nothing, but when placed at the right hand of a whole number, increases its value tenfold.
- (v.t.) To write in occult characters.
- (n.) One who or that which, has no weight or influence.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). cipher. Retrieved September 20, 2026, from http://smartdefine.org/cipher/definitions/1987542 |
| Chicago | Webster's. 2011. "cipher" http://smartdefine.org/cipher/definitions/1987542 (accessed September 20, 2026). |
| Harvard | Webster's 2011, cipher, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/cipher/definitions/1987542>. |
| MLA | Webster's. "cipher" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/cipher/definitions/1987542> |