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corsage vs. boutonniere

[kawr-sahzh] / kɔrˈsɑʒ /

noun

  1. a small bouquet worn at the waist, on the shoulder, on the wrist, etc., by a woman.

  2. the body or waist of a dress; bodice.

[boot-n-eer, boo-tuhn-yair] / ˌbut nˈɪər, ˌbu tənˈyɛər /

noun

  1. a flower or small bouquet worn, usually by a man, in the buttonhole of a lapel.