leader

leader

(1) A length of unrecorded tape used to thread the tape onto the tape drive.

(2) A line of dots or dashes used to draw the eye across the printed page, such as in a table of contents.

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leader

1. Music

a. the principal first violinist of an orchestra, who plays solo parts, and acts as the conductor's deputy and spokesman for the orchestra

b. US a conductor or director of an orchestra or chorus

2. 

a. the first man on a climbing rope

b. the leading horse or dog in a team

3. a statistic or index that gives an advance indication of the state of the economy

4. Angling another word for trace, cast

5. Nautical another term for fairlead

6. a strip of blank film or tape used to facilitate threading a projector, developing machine, etc., and to aid identification

7. Botany any of the long slender shoots that grow from the stem or branch of a tree: usually removed during pruning

8. Brit a member of the Government having primary authority in initiating legislative business (esp in the phrases Leader of the House of Commons and Leader of the House of Lords)

9. the senior barrister, usually a Queen's Counsel, in charge of the conduct of a case

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leader [′lēd·ər]

(building construction)

downspout

(computer science)

A record which precedes a group of detail records, giving information about the group not present in the detail records; for example, “beginning of batch 17.”

(engineering)

The unrecorded length of magnetic tape that enables the operator to thread the tape through the drive and onto the take-up reel without losing data or recorded music, speech, or such.

(geophysics)

The streamer which initiates the first phase of each stroke of a lightning discharge; it is a channel of very high ion density which propagates through the air by the continual establishment of an electron avalanche ahead of its tip. Also known as leader streamer.

(graphic arts)

A short piece of blank film at each end of a strip of photographic film or reel of motion picture film, used to thread the film through the mechanism of a camera or projector.

Lines or rows of dashes or dots used to guide the reader's eye across a printed page.

(mechanical engineering)

In a hot-air heating system, a duct that conducts heated air to an outlet.