NEW YORK — From the positively medieval to the beat of contemporary music: Brencheese, deathshildy and hip-pop are among about 1,000 new or refreshed entries added in June to the online Oxford English Dictionary. The additions are part of the company’s quarterly update of its searchable subscription website, Oed.com. The dictionary’s 20-volume third edition in print has been in process since 2000 and likely won’t be ready for more than a decade, said Katherine Connor Martin, who heads U.S.