1. a home run in baseball
Usage: informal
2. a homing pigeon

Examples

• The batter hit a homer over the left field wall.
• That was his third homer of the season.
• The crowd cheered when she knocked a homer out of the park.
• He trained his homer to carry messages across town.
• The homer returned to its coop after a long flight.
• Racing homers can fly hundreds of miles back home.