(1) A principal member of a truss, which extends from one end to the other, primarily to resist bending; (2) the straight line between two points on a curve; (3) the span of an arch.
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(1) A principal member of a truss, which extends from one end to the other, primarily to resist bending; (2) the straight line between two points on a curve; (3) the span of an arch.
« Back to Glossary