先さき攻ぜめさきぜめMeanings1nounbatting firstbaseballBaseball term for the team that bats in the top of the first inning. Compare 先攻, which is more common.See also: 先攻今日きょうの試し合あいは先さき攻ぜめが相あい手てチームだ。In today's game, the opposing team bats first.