3. old chap; mate; boss; chief; man
familiar or jocular term for addressing a male
おお、落ち着け大将!Whoa, calm down, pal!
4. athlete who competes in the last match of a team competition (kendo, judo, etc.)
いよいよ大将戦に突入だ。At last, we're on to the final bout between the anchors.