Lexical Definition

‎שָׁמִיר‎ shâmîyr (shaw-meer') thorn H:N-M
from ‎שָׁמַר‎ in the original sense of pricking

adamant (stone), brier, diamond.

1) thorn(s), adamant, flint
1a) thorns, thorn-bushes
1b) adamant (as sharp)
1c) a sharp stone, flint
1c1) perhaps a diamond

See Greek: ὕλη

Usage: 8 forms in 11 verses
Form Translated As     In Verse(s)
שָׁמִ֥יר thorn Isa.7.24Isa.9.18Isa.27.4
שָׁמִ֣יר thorn Isa.7.25
שָׁמִ֗יר flint Zech.7.12
שָׁמִ֖יר thorn Isa.5.6Isa.32.13
שָׁמִ֑יר flint Jer.17.1
לַשָּׁמִ֥יר the thorn Isa.7.23
כְּשָׁמִ֛יר like diamond Ezek.3.9
וּשְׁמִיר֖וֹ and thorn his Isa.10.17

Brown-Driver-Briggs

I. ‎שָׁמִיר‎ noun masculine: Ezek 3:9 thorn(s), adamant, flint; — absolute ‎׳‎‎שׁ‎ Isa 5:6 +; suffix ‎שְׁמִירוֺ‎ Isa 10:17

1. collective thorns, thorn-bushes, token of waste-land, only Isaiah, + ‎שַׁיִת‎ Isa 5:6; Isa 7:23; Isa 7:24; Isa 7:25; Isa 27:4 figurative Isa 9:17*; Isa 10:17 ‎׳‎‎קוֺץ שׁ‎ Isa 32:13.

2. adamant, as sharp, ‎כְּתוּבָה ֗֗֗ בְּצִפֹּרֶן‎ ‎׳‎‎שׁ‎ Jer 17:1 (|| ‎בְּעֵט בַּדְוֶל‎); as hard, figurative of prophet's firmness Ezek 3:9; Zech 7:12 figurative of hard heart.

Brown-Driver-Briggs References

Book Refs
Isaiah 5:6 · 7:23 · 7:24 · 7:25 · 9:17* · 10:17 · 27:4 · 32:13
Jeremiah 17:1
Ezekiel 3:9
Zechariah 7:12