leader

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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

Leader

A vertical pipe that carries rainwater from the roof gutter to the ground or drain system.

Leader

 

(Russian lider; from English “leader”). (1) The head of a political party, trade union, or other social organization.

(2) The person who is in first place in some competition, such as the leader in a chess tournament or a bicycle race.


Leader

 

the name of a class of ships (such as a large-displacement destroyer) in use in the Soviet Navy in the 1930’s and 1940’s. A leader carried the command of the unit and sailed first in the wake column. The term “leader” is sometimes applied to a vessel that heads a group or vessels of a caravan or fleet equipped for industrial uses or prospecting.

leader

[′lēd·ər]
(building construction)
(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.

downspout, conductor, downcomer, downpipe, leader, rain leader, rainwater pipe

downspout
A vertical pipe, often of sheet metal,

leader

leader: L; leader head, H; leader shoe, S; leader strap, T
1. A downspout.
2. A duct for conducting hot air to an outlet in a hot-air heating system.

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.
References in classic literature ?
And meantime Scully had given Jurgis a note to the Republican leader of the ward, and he had gone there and met the crowd he was to work with.
I, my lord," said the latter, "I know a man who has rendered great services to a very popular prince and who would make an excellent leader of revolt.
Cerre, his other leader, had likewise been in expeditions to Santa Fe, in which he had endured much hardship.
You know that I broke the leaders myself, and the pole-horses are too near my whip to be restive.
The bands marched in separate bodies under their several leaders.
He watched the sharp bay head of the leader snuffing along the trail, and gave him "Good hunting
But in that case, if the force that moves nations lies not in the historic leaders but in the nations themselves, what significance have those leaders?
Sometimes, however, he dropped cautiously and slowly behind and edged in between the old leader and the she-wolf.
Thus it was that in the fall of 1912 the socialist leaders, with the exception of Ernest, decided that the end of capitalism had come.
13: They came to call those who followed local manners Latins, but those who followed Hellenic customs Greeks, after the brothers Latinus and Graecus; as Hesiod says: `And in the palace Pandora the daughter of noble Deucalion was joined in love with father Zeus, leader of all the gods, and bare Graecus, staunch in battle.
The coachman looked back and the guard looked back, and even the emphatic leader pricked up his ears and looked back, without contradicting.
But the Leader of the Lions was a very proud creature.