Or luach {loo'-akh}; from a primitive root; probably meaning to glisten; a tablet (as polished), of stone, wood or metal -- board, plate, table.
H3871. luach
לוּחַ noun masculine tablet, board or plank, plate (Late Hebrew id., Aramaic לוּחָא, ; Arabic ; (modern pronunciation lûµ, lôµ, compare e.g. SpiroArab.-Eng. Vocab. Buhl), Ethiopic , but Assyrian li±û (as if from לחה) in DlHWB 366; see, however, lêjum (lêyum) JägerBAS i, 486); — ׳ל absolute Isaiah 30:8; construct Proverbs 3:3-4t.; dual לֻחֹתָ֑יִם Ezekiel 27:5; plural לוחֹת (לֻחֹת לֻחוֺת,) absolute Exodus 32:16-17t.; construct Deuteronomy 4:13 16t.; —
1 chiefly of stone tablets on which ten words were written Exodus 24:12; 31:18b; 32:16 (twice in verse); 32:19 (all E), 34:1 (3 t. in verse); 34:4 (twice in verse); 34:28 (all J), Deuteronomy 4:13; 5:19; 9:9-10, 11, 17; 10:1-2,(twice in verse); 10:3 (twice in verse); 10:4-5, 1 Kings 8:9; 2 Chronicles 5:10; ׳ל הָעֵדֻת Exodus 31:18a; 32:15; compare 34:29 (all P); ׳ל הַבְּרִית Deuteronomy 9:9, 11, 15; tablet for writing prophecy Isaiah 30:8 ׅ "" (סֵפֶר, Habakkuk 2:2, and figurative, b>לָבְּךָ לוּחַ Proverbs 3:3; 7:3 (for writing wise counsel), compare Jeremiah 17:1 (inscribing sin of Judah); (verb mostly כָּחַב Exodus 31:18b; 32:15; Deuteronomy 9:10; ׳כ עַל Exodus 34:1, 28; Deuteronomy 4:13; 5:19; 10:2, 4; Proverbs 3:3; 7:3; Isaiah 30:8; עַל חָרַשׁ Jeremiah 17:1; כָּרַת followed by accusative Deuteronomy 9:9 compare 1 Kings 8:9 2 Chronicles 5:10; עַל חָרַת Exodus 32:16; עַל בֵּאֵר Habakkuk 2:2).
2 wooden boards, composing altar of tabernacle Exodus 27:8; 38:7; planks composing ship (figurative of Tyre) Ezekiel 27:5; cf, אָ֑רֶז לוּחַ עָלָיהָ נָצוּר Song of Solomon 8:9, of door.
3 (metal) plates on bases of lavers in Solomon's temple 1 Kings 7:36.