'Siesta' definitions:

Definition of 'siesta'

From: WordNet
noun
A nap in the early afternoon (especially in hot countries)

Definition of 'Siesta'

From: GCIDE
  • Siesta \Si*es"ta\, n. [Sp., probably fr. L. sessitare to sit much or long, v. freq. of sedere, sessum, to sit. See Sit.] A short sleep taken about the middle of the day, or after dinner; a midday nap. [1913 Webster]