Dawn-redwood definition

A coniferous Chinese tree (Metasequoia glyptostroboides) having deciduous, flat, opposite leaves and small globular cones. It is widely cultivated in North America and Europe.

A coniferous Chinese tree (Metasequoia glyptostroboides) of the baldcypress family, resembling the redwood of California but having deciduous twigs and needles: it is now propagated in the U.S.