מִשְׁכָּב mishkâb (H4904)

a bed (figuratively, a bier); abstractly, sleep; by euphemism, carnal intercourse

1) a lying down, couch, bier, act of lying 1a) couch, bed 1b) act of lying, lying down or sleeping room, bedroom 1c) lying down (for sexual contact)

from שָׁכַב (H7901);