Obs. rare. [f. SUN sb. + STAY sb.3; transl. L. sōlstitium SOLSTICE.] = next.
Stay of the sun was in use earlier: see STAY sb.3 3 c.
1577. B. Googe, Heresbachs Husb., I. (1586), 40 b. Varro sayth, that the best tyme for Haruest, is betwixt the Sunne-stay, and the Dogge dayes.
1625. Lisle, Du Bartas, Noe, 177. The Sunne is at highest of this kinde a little after the Sunstay of Summer, and at the lowest soone after the Winter Sunstay.