~ 1 [ 'sʌɪfə ]
(also cypher )
■ noun
1》 a code.
↘a key to a code.
2》 dated a zero.
3》 an unimportant person or thing.
4》 a monogram.
■ verb
1》 encode (a message).
2》 archaic do arithmetic.
Origin
ME: from OFr. cifre , based on Arab. ṛifr 'zero'.
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~ 2
■ noun a continuous sounding of an organ pipe, caused by a defect.
■ verb (of an organ pipe) sound continuously.
Origin
C18: perh. from ~ 1 .