Runner

runner

1. a person who runs, esp an athlete

2. an employee of an art or antique dealer who visits auctions to bid on desired lots

3. a person engaged in the solicitation of business

4. 

a. either of the strips of metal or wood on which a sledge runs

b. the blade of an ice skate

5. a roller or guide for a sliding component

6. a channel through which molten material enters a casting or moulding

7. the rotating element of a water turbine

8. any of various carangid fishes of temperate and tropical seas, such as Caranx crysos (blue runner) of American Atlantic waters

9. Botany

a. a slender stem with very long internodes, as of the strawberry, that arches down to the ground and propagates by producing roots and shoots at the nodes or tip

b. a plant that propagates in this way

10. a strip of lace, linen, etc., placed across a table, dressing table, etc. for protection and decoration

11. a narrow rug or carpet, as for a passage

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

runner

[′rən·ər]

(botany)

A horizontally growing, sympodial stem system; adventitious roots form near the apex, and a new runner emerges from the axil of a reduced leaf. Also known as stolon.

(engineering)

In a plastics injection or transfer mold, the channel (usually circular) that connects the sprue with the gate to the mold cavity.

(metallurgy)

The part of a casting between itself and the gate assembly of the mold.

A channel through which molten metal flows from one receptacle to another.

(mining engineering)

A vertical timber sheet pile used to prevent collapse of an excavation.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

runner

1 A metal supporting member which is attached to structural steel members or concrete; used to support partitions, acoustical ceiling tile, etc. Also see main runner.

2. Same as ledger, 1.

McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Runner

 

in plants, an herbaceous shoot that spreads along the ground and sometimes becomes rooted. Runners characterize squashes, watermelons, and cucumbers. They have shorter inter-nodes than stolons.

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Runner

 

in plants, an aboveground stolon. In Russian, the term usy is used to designate runners with long internodes and scalelike leaves, as distinguished from pleti, which have green leaves with developed blades. Runners function in vegetative propagation and are used for this purpose in the cultivation of strawberries and other crops.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.