flange

American  

[flanj] / flændʒ /

noun

1. a projecting rim, collar, or ring on a shaft, pipe, machine housing, etc., cast or formed to give additional strength, stiffness, or supporting area, or to provide a place for the attachment of other objects.

2. a broad ridge or pair of ridges projecting from the edge of a rolled metal shape generally at right angles, in order to strengthen or stiffen it.

3. a ring or collar, usually provided with holes for bolts, and screwed or welded over the end of a tube or pipe to permit other objects to be attached to it.

4. (in plumbing) a plate or flat ring bolted to the flange at the end of a length of pipe to close the end or to connect it with the flange of another such length.

   blind flange; spectacle flange.

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verb (used without object)

flanged, flanging

1. to project like, or take the form of, a flange.

flange British  

/ flændʒ /

noun

1. a projecting disc-shaped collar or rim on an object for locating or strengthening it or for attaching it to another object

2. a flat outer face of a rolled-steel joist, esp of an I- or H-beam

3. a tool for forming a flange

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verb

1. (tr) to attach or provide (a component) with a flange

2. (intr) to take the form of a flange

Other Word Forms

• flanged adjective
• flangeless adjective
• flanger noun
• unflanged adjective

Etymology

Origin of flange

1425–75; late Middle English flaunche side charge (on shield face) < Middle French flanche, feminine of flanc flank

Related Words

• rim