捕ほ食しょく者しゃほしょくしゃMeanings1nounpredatorBiological term for an organism that preys on others. Often contrasted with 被食者 (prey).See also: 被食者ライオンはサバンナの捕ほ食しょく者しゃだ。Lions are predators of the savanna.捕ほ食しょく者しゃと被ひ食しょく者しゃの関かん係けいは生せい態たい系けいのバランスを保たもつ。The predator-prey relationship maintains the balance of the ecosystem.