The Collaborative International Dictionary
day lily \day" lil`y\, daylily \day"lil`y\(l[i^]l`[y^]). (Bot.)
any plant of a genus of plants ( Hemerocallis) closely resembling true lilies, but having tuberous rootstocks instead of bulbs. The common species have long narrow leaves and either yellow or tawny-orange flowers, which often bloom for only one day.
A genus of plants ( Funkia) differing from the last in having ovate veiny leaves, and large white or blue flowers.
Wiktionary
n. (alternative form of daylily English)
WordNet
n. any of numerous perennials having mounds of sumptuous broad ribbed leaves and clusters of white, blue, or lilac flowers; used as ground cover [syn: plantain lily]
any of numerous perennials having tuberous roots and long narrow bladelike leaves and usually yellow lilylike flowers that bloom for only a day [syn: daylily]
Usage examples of "day lily".
Philip leaned back against the arbour, watching the grosbeak as it hunted food between a tomato vine and a day lily.
One day Lily will let down her guard or even grow bored with the game, and he will wake up next to someone other than his beloved wife.
On its slightly raised platform stood a slender vase of clay with a mauve glaze containing a single white and crimson day lily.
Just below it was an earthenware bud vase in which he had placed one perfect day lily.