n.
1.a mathematical element that when added to another number yields the same number
2.a quantity of no importance
3.a person of no influence
4.a secret method of writing
5.a message written in a secret code cypher v.
1.convert ordinary language into code
2.make a mathematical calculation or computation
Idiom of the Day
knock (someone or something) out or knock out (someone or something)
to make someone unconscious, to make something unworkable or unusable
The storm last night knocked out power in most of the town.