マントラマントラMeanings1nounmantraBuddhismA sacred utterance, sound, or phrase in Buddhism and Hinduism, often chanted or meditated upon. In Japanese Buddhism, it corresponds to 真言 (shingon).from SanskritSee also: 真言彼かれは毎まい朝あさマントラを唱となえる。He chants a mantra every morning.