- 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.
- 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.
- 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.
- (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.
- to project like, or take the form of, a flange.
Origin of flange
1425–75; late Middle English flaunche side charge (on shield face) < Middle French flanche, feminine of flanc flank
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for flange
A small groove is cut on a flange, and a rubber ring, of about 1⁄4-in.Gas and Oil Engines, Simply Explained
Walter C. Runciman
The flange is held securely in the base by eight 3/4-inch cap-screws.Steam Turbines
Hubert E. Collins
Fig. 57, showing a development of both stop and flange, ditto, ditto.The Evolution of Culture
Augustus Henry Lane-Fox Pitt-Rivers
This makes a jacket of water between the flange and sides of the canner.Mechanical Devices in the Home
Edith Louise Allen
The Wheels are made from the flange ends of the large spools.Home-made Toys for Girls and Boys
A. Neely Hall
- a projecting disc-shaped collar or rim on an object for locating or strengthening it or for attaching it to another object
- a flat outer face of a rolled-steel joist, esp of an I- or H-beam
- a tool for forming a flange
- (tr) to attach or provide (a component) with a flange
- (intr) to take the form of a flange
C17: probably changed from earlier flaunche curved segment at side of a heraldic field, from French flanc flank
Word Origin and History for flange
1680s, of unknown origin, perhaps related to Old French flanche "flank, side," fem. of flanc (see flank (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper
- A projecting rim or edge.
- The part of the denture base that extends from the cervical ends of the teeth to the border of the denture.