an ornamental shrub (Lagerstroemia indica) of the loosestrife family, widely grown in the S U.S., with usually pinkish flowers
See crape myrtle in American Heritage Dictionary 4
also crepe myrtle
noun
A deciduous shrub (Lagerstroemia indica) native to China and widely cultivated in warm regions for its showy clusters of variously colored flowers with crinkled petals.