'Solstitial' definitions:

Definition of 'Solstitial'

From: GCIDE
  • Solstitial \Sol*sti"tial\, a. [L. solstitialis: cf. F. solsticial.]
  • 1. Of or pertaining to a solstice. [1913 Webster]
  • 2. Happening at a solstice; esp. (with reference to the northern hemisphere), happening at the summer solstice, or midsummer. "Solstitial summer's heat." --Milton. [1913 Webster]