• Bengali Word মুখস্থ English definition (adjective) 1 committed to memory; memorized; learnt by heart. 2 lying in/within the memory. মুখস্থ করা (verb transitive) memorize; commit to memory; learn by heart. মুখস্থ বলা (verb transitive) speak from memory; say by rote. মুখস্থ বিদ্যা (noun) learning by rote; rote-learning; book-learning.