A person who is right-handed or naturally favors using the right side of their body.
From Latin 'dexter' (right) with the agent suffix '-er' (one who). Less common than 'right-hander' in modern English but used in specialized linguistic or historical contexts.
This old-fashioned term reminds us that English once had more symmetrical pairs—'dextrer' for right-handers and presumably 'sinistrer' for left-handers—but 'right-hander' won out in modern usage for simplicity.
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