Of uncertain derivation; a scorpion; figuratively, a scourge or knotted whip -- scorpion.
Englishman's Concordance
1) scorpion Part of Speech: noun masculine A Related Word by BDB/Strong’s Number: of uncertain derivation Same Word by TWOT Number: 1683
Brown-Driver-Briggs
עַקְרָבnoun masculinescorpion (apparently quadriliteral; Late Hebrew id.; Assyrian a‡rabu; Ethiopic ; Arabic ; ᵑ7עַקְרַבָּא); **< [feminine] as in Late Hebrew, Syriac, Mandaean, Arabic (Levy gives Talmud [Aramaic] as masculine, but are readings correct?), Nöldeke (privately). — absolute עַקְרָבDeuteronomy 8:15 (collective; of wilderness), plural עַקְרַבִּיםEzekiel 2:6 (figurative of enemies); ׳יִסַּר בָּע1 Kings 12:11,14 2Chronicles 10:11,14, i.e. scourges with points, stings. — See also מַעֲלֵה עַקְרַבִּים.
Deuteronomy 8:15 HEB:נָחָ֤שׁ ׀ שָׂרָף֙ וְעַקְרָ֔ב וְצִמָּא֖וֹן אֲשֶׁ֣ר NAS: [with its] fiery serpents and scorpions and thirsty ground KJV: serpents, and scorpions, and drought, INT: serpents fiery and scorpions and thirsty where
1 Kings 12:11 HEB:אֲיַסֵּ֥ר אֶתְכֶ֖ם בָּעַקְרַבִּֽים׃ NAS: but I will discipline you with scorpions.' KJV: but I will chastise you with scorpions. INT: I will discipline scorpions
1 Kings 12:14 HEB:אֲיַסֵּ֥ר אֶתְכֶ֖ם בָּעַקְרַבִּֽים׃ NAS: but I will discipline you with scorpions. KJV: but I will chastise you with scorpions. INT: I will discipline scorpions
2 Chronicles 10:11 HEB:בַּשּׁוֹטִ֔ים וַאֲנִ֖י בָּֽעֲקְרַבִּֽים׃ ס NAS: you with whips, but I [will discipline you] with scorpions.' KJV: you with whips, but I [will chastise you] with scorpions. INT: whips I scorpions
2 Chronicles 10:14 HEB:בַּשּׁוֹטִ֔ים וַאֲנִ֖י בָּעֲקְרַבִּֽים׃ NAS: you with whips, but I [will discipline you] with scorpions. KJV: you with whips, but I [will chastise you] with scorpions. INT: whips I scorpions
Ezekiel 2:6 HEB:אוֹתָ֔ךְ וְאֶל־ עַקְרַבִּ֖ים אַתָּ֣ה יוֹשֵׁ֑ב NAS: are with you and you sit on scorpions; neither KJV: [be] with thee, and thou dost dwell among scorpions: be not afraid INT: for on scorpions and you sit
; Arabic 
; ᵑ7עַקְרַבָּא); **< [feminine] as in Late Hebrew, Syriac, Mandaean, Arabic (Levy gives Talmud [Aramaic] as masculine, but are readings correct?), Nöldeke (privately). — absolute עַקְרָבDeuteronomy 8:15 (collective; of wilderness), plural עַקְרַבִּיםEzekiel 2:6 (figurative of enemies); ׳יִסַּר בָּע1 Kings 12:11,14 2Chronicles 10:11,14, i.e. scourges with points, stings. — See also מַעֲלֵה עַקְרַבִּים.