also: まってい
noun
youngest brother
Refers specifically to the youngest brother in a family. Used in formal or written contexts; in casual speech, 一番下の弟 is more common.
彼は三人兄弟の末弟です。
He is the youngest of three brothers.
末弟はまだ学生で、家族の中で一番甘えん坊だ。
The youngest brother is still a student and the most spoiled in the family.
noun
last disciple; youngest follower
Used in religious, martial arts, or master-disciple contexts to refer to the most junior or last-accepted disciple. Not used for ordinary school or workplace juniors.
師匠は末弟に秘伝を授けた。
The master passed on the secret techniques to his last disciple.
彼は道場の末弟として、先輩たちの指導を受けた。
As the youngest disciple of the dojo, he received guidance from his seniors.
Compound of 末 (matsu, 'end, youngest') and 弟 (tei, 'younger brother'). The reading ばってい is the standard on'yomi combination; まってい is an irregular or dialectal variant.