英文字典中文字典51ZiDian.com
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butment 基牙 基牙 Butment \But"ment\, n. [Abbreviation of {Abutment}.]
1. (Arch.) A buttress of an arch; the supporter, or that part which joins it to the upright pier. [1913 Webster] 2. (Masonry) The mass of stone or solid work at the end of a bridge, by which the extreme arches are sustained, or by which the end of a bridge without arches is supported. [1913 Webster] {Butment cheek} (Carp.), the part of a mortised timber surrounding the mortise, and against which the shoulders of the tenon bear. --Knight. [1913 Webster] Butt
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