lally column

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Lal·ly column

A concrete-filled steel cylinder used as a supporting member in a building.

[Lally, Originally a trademark (after John Lally, 19th-century American inventor) + column.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lally column - support column consisting of a steel cylinder filled with concrete
support column - a column that supports a heavy weight
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The column at the center of the remodeled space wraps a 4-inch steel lolly column, which supports the mid-span of a 34-foot Microllam that helps tie the addition to the house.