v. nonce-wd. [f. SUMMER sb.1 + -IZE.] intr. To spend the summer.

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1797.  Monthly Mag., III. 460. A Series of Familiar Poetical Epistles, from Mr. Simkin Slenderwit, summerising at Ramsgate, to his dear Mother in Town.

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1799.  Monthly Rev., XXX. 350. In this summerising tour from Wisbech to Scarborough.

3