The sentence in the poem "at the window" that use a metaphor is:
"While slowly the house of day is closing its eastern shutters."
<h3>What is a Metaphor?</h3>
A metaphor is simply a literary device or a figure of speech that compares two objects or subjects that have nothing in common without using the words:
"like" or "as"
For example, "his skin was sandpaper" is a metaphor while "his skin was as sandpaper" is a simile.
Learn more about Metaphors at:
brainly.com/question/75180