What's the Book of Zephaniah All About?
Who Wrote the Book of Jonah and What's its Purpose?
What Does "the Dragon" in Revelation 12 Represent?
se'-ras (Keras; the Revised Version (British and American) KERAS (which see)).
Orr, James, M.A., D.D. General Editor. "Entry for 'CERAS'". "International Standard Bible Encyclopedia". 1915.