From an unused root probably meaning to roar; a lion (from his characteristic roar) -- (fierce) lion.
H7826. shachal
שַׁ֫חַל noun masculine lion (poetry); — absolute ׳שׁ Hosea 5:14 +, שָׁ֑חַל Job 4:10 +; — lion, simile of ׳י, toward Israel Hosea 5:14 ("" כְּפִיר), 13:7 ("" נָמֵר); of guilty men Job 4:10 ("" כְּפִירִים אַרְיֵה,); figurative of foes Psalm 91:13 ("" כְּפִיר) lion, as hunted 10:16 (in simile); literal Job 28:8; Proverbs 26:13.