Vi"bra*tor (?), n. One that
vibrates, or causes vibration or oscillation of any kind;
specif. (a) (Elec.) (1) A trembler, as of
an electric bell. (2) A vibrating reed for transmitting or
receiving pulsating currents in a harmonic telegraph system. (3)
A device for vibrating the pen of a siphon recorder to diminish
frictional resistance on the paper. (4) An
oscillator. (b) An ink-distributing roller
in a printing machine, having an additional vibratory motion.
(a) (Music) A vibrating reed, esp. in a
reed organ. (d) (Weaving) Any of
various vibrating devices, as one for slackening the warp as a shed
opens. (e) An attachment, usually
pneumatic, in a molding machine to shake the pattern loose.