day lily

/deɪ ˌlɪli/

Other forms: day lilies

Definitions of day lily

1. noun

   any of numerous perennials having mounds of sumptuous broad ribbed leaves and clusters of white, blue, or lilac flowers; used as ground cover
   synonyms: plantain lily

   type of:

   herb, herbaceous plant

   a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
2. noun

   any of numerous perennials having tuberous roots and long narrow bladelike leaves and usually yellow lily-like flowers that bloom for only a day
   synonyms: daylily

   types:

   Hemerocallis flava, Hemerocallis lilio-asphodelus, lemon lily

   a day lily with yellow flowers

   type of:

   liliaceous plant

   plant growing from a bulb or corm or rhizome or tuber