Definitions of spruce:

• noun:   any coniferous tree of the genus Picea
• noun:   light soft moderately strong wood of spruce trees; used especially for timbers and millwork
• verb:   make neat, smart, or trim

  Example: "Spruce up your house for Spring"

• verb:   dress and groom with particular care, as for a special occasion

  Example: "He spruced up for the party"

• adjective:   marked by smartness in dress and manners
• name:  A surname (very rare: popularity rank in the U.S.: #49262)