spruce

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spruce

(sproos)
Any of the evergreen coniferous trees and shrubs of the genus Picea (family Piceaceae), widely found in the Northern Hemisphere. Known side effects of exposure to spruce dusts (e.g., in sawmill workers) include an increased incidence of reactive airways diseases such as asthma. The gum of the spruce is used occasionally in complementary and alternative medicine as an expectorant.