an African plant (Chlorophytum comosum) of the lily family, with long, narrow leaves often streaked with white and long runners with small, white flowers that develop into new plants: often used as a houseplant
See spider plant in American Heritage Dictionary 4
noun
A perennial (Chlorophytum comosum) having sprawling stems and flat, narrow leaves that are sometimes striped white or yellowish white, and small white flowers.