(zereth; spithame): A measure of length equal to half a cubit or about 9 in. (Ex 28:16; 39:9; 1 Sam 17:4, etc.). Lam 2:20 the King James Version is a mistranslation; see the Revised Version (British and American). See WEIGHTS AND MEASURES.
Bibliography Information Orr, James, M.A., D.D. General Editor. "Definition for 'SPAN'". "International Standard Bible Encyclopedia". bible-history.com - ISBE; 1915.