Of Choice Meaning

Example : 2005 Autumn, Sidney L. Kasfir, “NARRATING TRAUMA AS MODERNITY.”, African Arts, volume 38, number 3, page 66:  Yesterday spears were the weapon of choice in the North Rift; today they are being replaced by the Kalashnikov and rocket-fired grenade.2006 Summer, Nicholas Delbanco, The Southern Review, volume 42, number 3, page 536:  "The Doors of Perception," as Aldous Huxley called them, had opened wide, and LSD became the drug of choice.2010 May, Estiel Meyer; Wakisal Mulwafu, Johannes Fagan, Robin Brown, Kathryn Taylor, “Ectopic thymic tissue presenting as a neck mass in children: A report of 3 cases.”, ENT: Ear, Nose & Throat Journal, volume 89, number 5, page 228:  Once the cyst is diagnosed, surgical excision is the treatment of choice.