לוּחַlûwach

tablet, board or plank, plate

Pronunciation: loo'-akh · Hebrew/Aramaic (Old Testament) · H3871

Meanings

1. chiefly of stone tablets on which ten words were written (Exodus 24:12; Exodus 31:18; Exodus 32:16)

2. boards, planks, wooden (Exodus 27:8; Exodus 38:7; Ezekiel 27:5)

3. (metal) plates on bases of lavers in Solomon's temple (1 Kings 7:36)

Same root

לוּחִיתLûwchîyth · H3872Luchith, a place East of the Jordan

Where it appears

Appears 43 times in the Bible.

Exodus 24:12 Then the Lord said to Moses, “Come up to me on the mountain. Stay there, and I will give you the tablets of stone on which I have inscribed the instructions and commands so you can teach the people.”
Exodus 27:8 The altar must be hollow, made from planks. Build it just as you were shown on the mountain.
Exodus 31:18 When the Lord finished speaking with Moses on Mount Sinai, he gave him the two stone tablets inscribed with the terms of the covenant, written by the finger of God.
Exodus 32:15 Then Moses turned and went down the mountain. He held in his hands the two stone tablets inscribed with the terms of the covenant. They were inscribed on both sides, front and back.
Exodus 32:16 These tablets were God’s work; the words on them were written by God himself.
Exodus 32:19 When they came near the camp, Moses saw the calf and the dancing, and he burned with anger. He threw the stone tablets to the ground, smashing them at the foot of the mountain.

See every passage

Exodus 24:12, 27:8, 31:18, 32:15, 32:16, 32:19, 34:1, 34:4, 34:28, 34:29, 38:7
Deuteronomy 4:13, 5:22, 9:9, 9:10, 9:11, 9:15, 9:17, 10:1, 10:2, 10:3, 10:4, 10:5
1 Kings 7:36, 8:9
2 Chronicles 5:10
Proverbs 3:3, 7:3
Song of Solomon 8:9
Isaiah 30:8
Jeremiah 17:1
Ezekiel 27:5
Habakkuk 2:2

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).