Emily Dickinson Lexicon

twice, adv. [OE.]

1. Two times; on two successive occasions; [irony: ED uses the word twice three times in 49/39.]
2. Doubly; two times.
3. For the second time; [iconic: ED uses the word twice two times in 846/950.]
4. Two times in number; double , amount or value; [iconic: ED uses the word twice two times in 1732/1773.]