A player who bats; an alternative or archaic term for a batter or batsman.
From 'bat' + '-ster' (suffix denoting someone who does something). Less common than 'batsman' or 'batter' in modern usage.
Batster is an old-fashioned word you probably won't hear much anymore—it's been mostly replaced by 'batter' in baseball and 'batsman' in cricket!
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