Cipher

1. To decipher.
2. A private alphabet, system of characters, or other mode of writing, contrived for the safe transmission of secrets; also, a writing in such characters.
3. 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.
4. A character [0] which, standing by itself, expresses nothing, but when placed at the right hand of a whole number, increases its value tenfold.
5. To designate by characters.
6. To get by ciphering; as, to cipher out the answer.
7. To write in occult characters.
8. Of the nature of a cipher; of no weight or influence.
9. One who, or that which, has no weight or influence.
10. To use figures in a mathematical process; to do sums in arithmetic.
11. A character in general, as a figure or letter.