Emily Dickinson Lexicon

poesy, n. [OFr < L. poēsis, poetry, poem < Gk πόησις, a making, creation, poetry, poem.] (webplay: metrical, Poet Laureate).

Poetry; music; melody; art of writing verse; [fig.] power of beautiful expression; ability to conjure up vivid images in the mind; [pun on posy] bouquet; nosegay; bunch of flowers.