v. nonce-wd. [f. SUMMER sb.1 + -IZE.] intr. To spend the summer.
1797. Monthly Mag., III. 460. A Series of Familiar Poetical Epistles, from Mr. Simkin Slenderwit, summerising at Ramsgate, to his dear Mother in Town.
1799. Monthly Rev., XXX. 350. In this summerising tour from Wisbech to Scarborough.