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Pi·nus 'pī-nəs n a large and economically important genus (the type of the family Pinaceae) of coniferous evergreen trees chiefly of temperate regions of the northern hemisphere that includes a number which yield products (as pine tar) with medicinal applications
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Pi·nus (piґnus) the pines, a large genus of coniferous evergreen trees of the family Pinaceae.Medical dictionary. 2011.