Plural of bock, a strong dark German lager beer brewed in winter and traditionally enjoyed in spring.
From German 'Bockbier', shortened to 'bock', derived from Einbeck, a German town famous for brewing this strong beer style in the Middle Ages.
Bock beer is named after a town, like champagne or cologne—that's called a toponymic eponym, and bock is one of the few beer styles English speakers recognize by its German origin.
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