righthander

/ˈraɪtˌhændər/
noun
  1. A person who uses their right hand more naturally than their left, especially in sports or daily tasks.
    • The team has three righthanders and two lefties in their starting rotation.
    • As a righthander, she always sits on the left side of the table to avoid bumping elbows.
    • The pitcher is a righthander, so his curveball breaks away from left-handed batters.
Synonyms