structural engineer
US /ˈstrʌk.tʃər.əl ˌen.dʒɪˈnɪr/
UK /ˈstrʌk.tʃər.əl ˌen.dʒɪˈnɪr/

1.
a civil engineer specializing in the design and construction of structures that are safe and stable, such as buildings, bridges, and tunnels
:
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The structural engineer approved the building's design.
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We need to consult a structural engineer before making any major renovations.