posyn.[Contr. fr. poesy.]1. A brief poetical sentiment; hence, any brief sentiment, motto, or legend; especially, one inscribed on a ring.(Shak.)[Probably so called from the use of flowers as having an enigmatical significance. Wedgwood.]2. A flower; a bouquet; a nosegay.(Spenser.)We make a difference between suffering thistles to grow among us, and wearing them for posies. (Swift.)