flange
/flændʒ/noun
- a projecting flat rim, collar, or rib on an object, serving for strengthening or attachment or (on a wheel) for maintaining position on a rail（加固或附着用的）凸缘; 法兰; 轮缘。
派生词
flanged
adjectiveflangeless
adjective词源
late 17th cent.: perhaps based on Old French flanchir 'to bend'.