noun
A respectful term for a teacher, master, or mentor, often used in traditional arts, crafts, or as a title.
彼は私の書道の師です。
He is my calligraphy teacher.
師の教えを守る。
I follow my master's teachings.
noun, suffix
Used for founders or leaders of religious sects, often as a suffix (e.g., 教祖, 法師).
その宗派の師は多くの信者に尊敬されている。
The religious leader of that sect is respected by many followers.
suffix
Suffix attached to professions or roles to indicate a specialist (e.g., 医師, 技師, 教師).
彼は有名な医師です。
He is a famous doctor.
彼は有名な占い師だ。
He is a famous fortune-teller.
noun
brigade of 2500 men (Zhou dynasty)
Historical military unit in ancient China; rarely encountered outside historical texts.
周王朝の軍隊では、師は二千五百人から成る部隊を指した。
In the Zhou dynasty army, a 'shi' referred to a unit of 2500 soldiers.