day lily Meaning, Definition & Usage

  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
    plantain lily.
  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
    daylily.

WordNet


Day" lil`y
Definitions
  1. (Bot.) (a) 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. (b) A genus of plants (Funkia) differing from the last in having ovate veiny leaves, and large white or blue flowers.

Webster 1913