'Midday' definitions:

Definition of 'midday'

From: WordNet
noun
The middle of the day [syn: noon, twelve noon, high noon, midday, noonday, noontide]

Definition of 'Midday'

From: GCIDE
  • Midday \Mid"day`\, a. Of or pertaining to noon; meridional; as, the midday sun. [1913 Webster]

Definition of 'Midday'

From: GCIDE
  • Midday \Mid"day`\, n. [AS. middaeg. See Mid, a., and Day.] The middle part of the day; noon. [1913 Webster]