definition of
cypher

[1] #1 cypher n. [zero, 0, nought, cipher] a mathematical element that when added to another number yields the same number. wn

[2] #2 cypher v. [code, encipher, cipher, encrypt, inscribe, write in code] convert ordinary language into code; "We should encode the message for security reasons". wn

[3] #3 cypher n. [nothing, nil, nix, nada, null, aught, cipher, goose egg, naught, zero, zilch, zip, zippo] a quantity of no importance; "it looked like nothing I had ever seen before"; "reduced to nil all the work we had done"; "we racked up a pathetic goose egg"; "it was all for naught"; "I didn't hear zilch about it". wn

[4] #4 cypher v. [calculate, cipher, compute, work out, reckon, figure] make a mathematical calculation or computation. wn

[5] #5 cypher n. [cipher, nobody, nonentity] a person of no influence. wn