Webster's Revised Unabridged Dictionary · 1913

Easter lily

Easter lily

(Botany) Any one of various lilies or lilylike flowers which bloom about Easter;
(a)
(Botany) The common white lily (Lilium candidum), called also Annunciation lily.
(b)
(Botany) The larger white lily (Lilium longiflorum eximium, syn. L. Harrisii) called also Bermuda lily.
(c)
(Botany) The daffodil (Narcissus Pseudo-Narcissus).
(d)
(Botany) The Atamasco lily.