'Mayhap' definitions:

Definition of 'mayhap'

(from WordNet)
adverb
By chance; "perhaps she will call tomorrow"; "we may possibly run into them at the concert"; "it may peradventure be thought that there never was such a time" [syn: possibly, perchance, perhaps, maybe, mayhap, peradventure]

Definition of 'Mayhap'

From: GCIDE
  • Mayhap \May"hap\, adv. Perhaps; peradventure. [Prov. or Dialectic] [1913 Webster]