Emily Dickinson Lexicon

or, conj. [OE oððe; see other.]

1. Alternatively; on the other hand; [connects words in a series to demonstrate alternatives.]
2. And; in addition; [connects words in a series to demonstrate variety.]
3. Maybe; perhaps; possibly [connects words to show uncertainty.]
4. Rather; stated another way.
5. Lest; otherwise.
6. Alternately; [connects the clauses in a correlative construction.]
7. If [connects conditional propositions.]
8. Another choice; [connects words in a series to demonstrate possibilities.]
9. Nor; not either; [connects the words in a correlative phrase.]
10. Phrase. “Or else”: otherwise; alternatively.