Final answer:
In Act 2, Scene 2 of Macbeth, Lady Macbeth refers to "the obscure bird" to describe the dark and chaotic events happening around her.
Step-by-step explanation:
In Act 2, Scene 2 of Shakespeare's play Macbeth, Lady Macbeth refers to "the obscure bird" in the following line:
And prophesying with accents terrible
Of dire combustion and confused events
New hatch'd to the woeful time: the obscure bird
Clamour'd the livelong night: some say, the earth
Was feverous and did shake.
In this scene, Lady Macbeth is expressing her thoughts on the dark and chaotic events happening around her. The phrase "the obscure bird" is a metaphor for an unknown and ominous entity, symbolizing the unsettling nature of the situation.