1. 楔形,三角形的乳牛体重：wedge section ==> 楔形断面 | wedge shape ==> 楔形,三角形的乳牛体重 | wedge shaped clip ==> 楔形扣板

2. 楔形物：keystone species關鍵物種 | wedge-shape楔形物 | archway拱門

noun

1. any shape that is triangular in cross section

    Synonym: wedgecuneus