S / solstĭtĭum
noun #3475

solstĭtĭum

gen. solstĭtii · gender neuter · decl. 2nd
the time when the sun seems to stand still; solstice
In gen., the time when the sun seems to stand still, either in Cancer or in Capricorn, the (summer or winter) solstice (so in gen. not till after the Aug. period): solstitium aestivum ... hibernum, Col. 7, 3, 11: aestivum, Plin. 2, 103, 106, § 229: brumale, Col. 11, 2, 94: solstitia et aequinoctia, id. 9, 14, 12.—
the summer solstice; the longest day of the year
In partic., the summer solstice, the longest day of the year (opp. bruma, the prevalent signif. of the word): alter motus solis est ... a brumā ad solstitium. Solstitium quod sol eo die sistere videbatur, Varr. L. L. 6, § 8 Müll.; Cato, R. R. 104; Varr. R. R. 1, 28, 2; 1, 1, 46; Cic. N. D. 2, 7, 19; 2, 19, 50; id. Div. 2, 44, 93; Plin. 8, 43, 68, § 167; 18, 28, 68, § 264 al.
summer time; the heat of summer by extension
Transf., in gen., summer time, the heat of summer (poet. and in post-Aug. prose; cf. bruma, 2.): paenula solstitio, campestre nivalibus auris Hor. Ep. 1, 11, 18; Verg. G. 1, 100; Ov. Tr. 5, 10, 7; Sen. Ben. 1, 12, 3: solstitium pecori defendite, Verg. E. 7, 47.