lily (lilies plural )A lily is a plant with large flowers. Lily flowers are often white. n-var
lily of the valley (lilies of the valley plural) (lily of the valley plural )Lily of the valley are small plants with large leaves and small, white, bell-shaped flowers. n-var
water lily (water lilies plural ), waterlily A water lily is a plant with large flat leaves and colourful flowers which floats on the surface of lakes and rivers. n-count