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sĕresco: ĕre,I v. inch. n. serenus, to grow dry: vestes serescunt (opp. uvescunt), Lucr. 1, 306.sĕresco: ĕre,I v. inch. n. serum, to turn to whey: lac frigore serescit, Plin. 11, 41, 96, § 238.