'May fly' definitions:

Definition of 'May fly'

From: GCIDE
  • May \May\, n. [F. Mai, L. Maius; so named in honor of the goddess Maia (Gr. Mai^a), daughter of Atlas and mother of Mercury by Jupiter.]
  • 1. The fifth month of the year, containing thirty-one days. --Chaucer. [1913 Webster]
  • 2. The early part or springtime of life. [1913 Webster]
  • His May of youth, and bloom of lustihood. --Shak. [1913 Webster]
  • 3. (Bot.) The flowers of the hawthorn; -- so called from their time of blossoming; also, the hawthorn. [1913 Webster]
  • The palm and may make country houses gay. --Nash. [1913 Webster]
  • Plumes that mocked the may. --Tennyson. [1913 Webster]
  • 4. The merrymaking of May Day. --Tennyson. [1913 Webster]
  • Italian may (Bot.), a shrubby species of Spiraea (Spiraea hypericifolia) with many clusters of small white flowers along the slender branches.
  • May apple (Bot.), the fruit of an American plant (Podophyllum peltatum). Also, the plant itself (popularly called mandrake), which has two lobed leaves, and bears a single egg-shaped fruit at the forking. The root and leaves, used in medicine, are powerfully drastic.
  • May beetle, May bug (Zool.), any one of numerous species of large lamellicorn beetles that appear in the winged state in May. They belong to Melolontha, and allied genera. Called also June beetle.
  • May Day, the first day of May; -- celebrated in the rustic parts of England by the crowning of a May queen with a garland, and by dancing about a May pole.
  • May dew, the morning dew of the first day of May, to which magical properties were attributed.
  • May flower (Bot.), a plant that flowers in May; also, its blossom. See Mayflower, in the vocabulary.
  • May fly (Zool.), any species of Ephemera, and allied genera; -- so called because the mature flies of many species appear in May. See Ephemeral fly, under Ephemeral.
  • May game, any May-day sport.
  • May lady, the queen or lady of May, in old May games.
  • May lily (Bot.), the lily of the valley ({Convallaria majalis}).
  • May pole. See Maypole in the Vocabulary.
  • May queen, a girl or young woman crowned queen in the sports of May Day.
  • May thorn, the hawthorn. [1913 Webster]

Definition of 'May fly'

From: GCIDE
  • Ephemeral \E*phem"er*al\, a.
  • 1. Beginning and ending in a day; existing only, or no longer than, a day; diurnal; as, an ephemeral flower. [1913 Webster]
  • 2. Short-lived; existing or continuing for a short time only. "Ephemeral popularity." --V. Knox. [1913 Webster]
  • Sentences not of ephemeral, but of eternal, efficacy. --Sir J. Stephen. [1913 Webster]
  • Ephemeral fly (Zo["o]l.), one of a group of neuropterous insects, belonging to the genus Ephemera and many allied genera, which live in the adult or winged state only for a short time. The larv[ae] are aquatic; -- called also {day fly} and May fly. [1913 Webster]