Entry 3 senses · 2 variants Webster, 1913 Dern /dẽrn/ · IPA /ˈdɜː(ɹ)n/ n. a. 01 n. A gatepost or doorpost. 1. A gatepost or doorpost.[Local Eng.] 02 a. Hidden; concealed; secret. 1. Hidden; concealed; secret.[Obs.] 2. Solitary; sad.[Obs.]