noun one who goes first.
2. leader ·noun the principal wheel in any kind of machinery.
3. leader ·noun one having authority to direct; a chief; a commander.
4. leader ·noun a type having a dot or short row of dots upon its face.
5. leader ·noun one who, or that which, leads or conducts; a guide; a conductor.
6. leader ·noun a horse placed in advance of others; one of the forward pair of horses.
7. leader ·noun a pipe for conducting rain water from a roof to a cistern or to the ground; a conductor.
8. leader ·noun a block of hard wood pierced with suitable holes for leading ropes in their proper places.
9. leader ·noun a branch or small vein, not important in itself, but indicating the proximity of a better one.
10. leader ·noun the first, or the principal, editorial article in a newspaper; a leading or main editorial article.
11. leader ·noun a net for leading fish into a pound, weir, ·etc. ; also, a line of gut, to which the snell of a fly hook is attached.
12. leader ·noun a row of dots, periods, or hyphens, used in tables of contents, ·etc., to lead the eye across a space to the right word or number.
13. leader ·noun a performer who leads a band or choir in music; also, in an orchestra, the principal violinist; the one who plays at the head of the first violins.