Neat or smart in appearance; trim

1. To make spruce — often used with up
2. To make oneself spruce

ETYM Old Eng. Spruce or Pruse, Prussia, Prussian. So named because it was first known as a native of Prussia, or because its sprouts were used for making, spruce beer. Related to Spruce beer, below, Spruce.
1. Any coniferous tree of the genus Picea.
2. Light soft moderately strong wood of spruce trees; used especially for timbers and millwork.
Coniferous tree of the genus Picea of the pine family, found over much of the northern hemisphere. Pyramidal in shape, spruces have rigid, prickly needles and drooping, leathery cones.
Some are important forestry trees, such as sitka spruce P. sitchensis, native to W North America, and the Norway spruce P. abies, now planted widely in North America.