名詞 posy:

1. an arrangement of flowers that is usually given as a present
   同義詞：bouquet, corsage, nosegay

po.sy

n.（名詞）
【復數(shù)】 po.sies
A flower or bunch of flowers; a nosegay.See Synonyms at bouquet
花朵，花束：一支或一束花；小花束參見 bouquet
Archaic A brief verse or sentimental phrase, especially one inscribed on a trinket.
【古語】 銘文：短詩或充滿感情的詞句，尤指刻于小裝飾品上的

來源：
Alteration of poesy [motto or line of verse (archaic)]
poesy的變化[警句或詩行（古英語的）]