[ˈsɒlstɪs], (Noun)

Definitions:
- the time or date (twice each year) at which the sun reaches its maximum or minimum declination, marked by the longest and shortest days (about 21 June and 22 December)


Phrases:

Origin:
Middle English: from Old French, from Latin solstitium, from sol ‘sun’ + stit- ‘stopped, stationary’ (from the verb sistere)