Smith's Bible Dictionary
Organ. Genesis 4:21; Job 21:12; Job 30:31; Psalms 150:4. The Hebrew word, thus rendered, probably denotes a pipe or perforated wind-instrument. In Genesis 4:21, it appears to be a general term for all wind-instruments. In Job 21:12, are enumerated three kinds of musical instruments, which are possible under the general terms of the timbrel, harp and organ. Some identify it with the pandean pipe or syrinx: an instrument of , unquestionably, ancient origin, and common in the East. See Music.
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Smith, William, Dr. Entry for 'Organ'. Smith's Bible Dictionary. https://www.studylight.org/dictionaries/eng/sbd/o/organ.html. 1901.