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.

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.

Butment cheek Carp., the part of a mortised timber surrounding the mortise, and against which the shoulders of the tenon bear.



© Webster 1913.

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