Leviticus 15:4הַמִּשְׁכָּב
Any bed on which the man with the discharge lies will be unclean, and any furniture on which he sits will be unclean.
Numbers 31:17לְמִשְׁכַּב
So now, kill all the boys, as well as every woman who has had relations with a man,
2 Samuel 4:7מִשְׁכָּבוֹ
They had entered the house while Ish-bosheth was lying on his bed, and having stabbed and killed him, they beheaded him, took his head, and traveled all night by way of the Arabah.
Job 7:13מִשְׁכָּבִי
When I think my bed will comfort me and my couch will ease my complaint,
Psalm 4:4מִשְׁכַּבְכֶם
Be angry, yet do not sin; on your bed, search your heart and be still. Selah
Isaiah 57:2מִשְׁכְּבוֹתָם
Those who walk uprightly enter into peace; they find rest, lying down in death.

Brown-Driver-Briggs

מִשְׁכָּב 46 n.m. place of lying, couch; act of lying

Sources: Brown-Driver-Briggs (1906, public domain) from the Open Scriptures Hebrew Lexicon (CC BY 4.0), glosses from STEPBible TBESH (CC BY 4.0); STEPBible TAHOT (Hebrew Bible, Leningrad Codex, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.