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Webster 1913 Edition

Noun.

(Bot.)

A plant with checkered petals, of the genus Fritillaria: the Guinea-hen flower. See

(Zool.)

One of several species of butterflies belonging to

Argynnis

and allied genera; – so called because the coloring of their wings resembles that of the common

Fritillaria

. See

Noun.

[L. fritillus, a dice-box.]

The crown imperial, a genus of plants, called in the Spanish dictionary_webster1828 checkered lily.

The snake's head fritillary (Fritillaria meleagris)

A Gulf Fritillary butterfly (Agraulis vanillae)

fritillary ‎(plural fritillaries)

Any of several bulbous perennial plants, of the genus Fritillaria, having flowers with a spotted or chequered pattern.
- 2014 April 6, Naomi Slade, “Fritillaries: Don't forget these lilies of the field: Make a pilgrimage to one of Britain’s few fritillary meadows this season [print version (5 April 2014, p. G5): Consider the lilies of the field]”, in The Daily Telegraph (Gardening), London:
  Fritillaries are as fundamental a part of the British water meadow landscape as Ratty and Mole slowly punting along under a willow tree. They speak of opalescent spring mornings, with their distinctive chequered bells bowed earthward and beaded with dew, a dark counterpoint to the acid-fresh grass.
Any of several butterflies, of the family Nymphalidae, having wings with black or silvery spots.

plant of genus Fritillaria

butterfly of family Nymphalidae