Part of Speech: Noun

Marriage: the state of being united as spouses in a consensual and contractual relationship recognized by law

Source: Webster`s Dictionary

Found in, “Sonnet 116”  (line 1), “Let me not to the marriage of true minds”

The word marriage means the relation between two married people, the poet uses the word “minds” in the same line instead of anything more base, like “hearts” which might be to let us know that this perfect love is the partnership of two individuals of great thinking,  who aren’t simply driven by emotions or hormones.

Part of Speech: noun

Definition: Physical strength and good health.

Source: Google Dictionary

Found in “America” by Claude McKay Line 5

This definition helps the reader of the poem to understand line 5 more clearly by knowing the definition of vigor.  Line 5 “Her vigor flows like tides into my blood” is saying that her tough love and firmness causes him to become stronger as a person.

Eternal

Part of Speech- adjective

Definition- having infinite duration.

Source- Webster Dictionary

Found in the William Shakespeare Sonnet 18, line 9

The definition of the word “eternal” helped me understand what line 9 “But thy eternal summer shall not fade” meant. The poet meant that the summer is everlasting and will always be that way.