Lexicon shamir: a thorn, adamant, flint Original Word: שָׁמִירPart of Speech: Noun Masculine Transliteration: shamir Phonetic Spelling: (shaw-meer') Short Definition: briars NAS Exhaustive Concordance Word Originfrom an unused word Definitiona thorn, adamant, flint NASB Translationbriars (8), diamond (1), emery (1), flint (1). 
 Brown-Driver-Briggs   I.  שָׁמִיר  noun masculine:  Ezekiel 3:9 thorn(s), adamant, flint; — absolute  ׳שׁ Isaiah 5:6 +; suffix  שְׁמִירוֺ Isaiah 10:17; —  1 collective thorns, thorn-bushes, token of waste-land, only Isaiah, + שַׁיִת Isaiah 5:6; Isaiah 7:23,24,25; Isaiah 27:4; figurative Isaiah 9:17; Isaiah 10:17; ׳קוֺץ שׁ Isaiah 32:13.  2 adamant, as sharp, כְּתוּבָה ֗֗֗ בְּצִמֹּרֶן ׳שׁ Jeremiah 17:1 ("" בְּעֵט בַּדְוֶל); as hard, figurative of prophet's firmness Ezekiel 3:9; Zechariah 7:12 figurative of hard heart. 
 
 
 
  Strong's adamant stone, brier, diamond  From shamar in the original sense of pricking; a thorn; also (from its keenness for scratching) a gem, probably the diamond -- adamant (stone), brier, diamond.  see HEBREW shamar   |  
      |