'Vibratory' definitions:

Definition of 'vibratory'

(from WordNet)
adjective
Moving very rapidly to and fro or up and down; "the vibrating piano strings"

Definition of 'Vibratory'

From: GCIDE
  • Vibratory \Vi"bra*to*ry\, a. [Cf. F. vibratoire.] Consisting in, or causing, vibration, or oscillation; vibrating; as, a vibratory motion; a vibratory power. [1913 Webster]