solstitial Meaning, Definition & Usage

Sol*sti"tial adjective
Etymology
L. solstitialis: cf. F. solsticial.
Definitions
  1. Of or pertaining to a solstice.
  2. Happening at a solstice; esp. (with reference to the northern hemisphere), happening at the summer solstice, or midsummer. "Solstitial summer's heat." Milton.

Webster 1913