\Eas"ter lil`y\ (Bot.) Any one of various lilies or lilylike flowers which bloom about Easter; specif.: (a) The common white lily ({Lilium candidum}), called also {Annunciation lily}. (b) The larger white lily ({Lilium longiflorum eximium}, syn. {L. Harrisii}) called also {Bermuda lily}. (c) The daffodil ({Narcissus Pseudo-Narcissus}). (d) The Atamasco lily.