Meaning

noun (baseball) a ballplayer who is batting

noun a liquid or semiliquid mixture, as of flour, eggs, and milk, used in cooking

verb strike against forcefully

originEtymology tree English bat Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English batter From bat + -er (agent noun suffix).

Etymology from Wiktionary, CC BY-SA 3.0