/sɪˈkri:ʃn ||; sɪˈkriʃən/noun (formal 正式) [C,U] a liquid that is produced by a plant or an animal; the process by which the liquid is produced 分泌（物）: The frog covers itself in a poisonous secretion for protection. 青蛙身上覆盖着有毒的分泌物，起到保护作用。