[flange] n [perh. alter. of flanch (a curving charge on a heraldic shield)] (ca. 1735) 1: a rib or rim for strength, for guiding, or for attachment to another object "a ~ on a pipe" "a ~ on a wheel"
2: a projecting edge of cloth used for decoration on clothing "a jacket with ~ shoulders"
[2]flange vt flanged ; flang.ing (ca. 1859): to furnish with a flange