Entry 2 senses · 2 variants Webster, 1913 Locken /läk'-ən/ · Lock·en · IPA /lɒkən/ p. p. n. 01 p. p. p. p. of Lock. 1. p. p. of Lock.obs. See: Lock 02 n. The globeflower (Trollius). 1. The globeflower (Trollius).(Bot.)