Bible Dictionaries
Acoustic

Webster's Dictionary

(1):

(a.) Pertaining to the sense of hearing, the organs of hearing, or the science of sounds; auditory.

(2):

(n.) A medicine or agent to assist hearing.

Bibliography Information
Webster, Noah. Entry for 'Acoustic'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​a/acoustic.html. 1828.