1. a horse that is old, worn-out, or in poor condition; a worthless or inferior horse
Usage: informal; chiefly North American; often derogatory

Examples

• The old farmer sold off his crowbait to the glue factory.
• That crowbait could barely make it up the hill.
• He wouldn't ride such a crowbait even if it were free.
• The stable was full of crowbaits waiting to be retired.
• No one wanted to buy the crowbait at the auction.