box elder

/bɑks ˌɛldər/

Other forms: box elders

Definitions of box elder

1. noun

   common shade tree of eastern and central United States
   synonyms: Acer negundo, ash-leaved maple

   types:

   Acer negundo Californicum, California box elder

   maple of the Pacific coast of the United States; fruits are white when mature

   type of:

   maple

   any of numerous trees or shrubs of the genus Acer bearing winged seeds in pairs; north temperate zone