1. a horse or animal that bucks (jumps with arched back and stiff legs)
2. a person or thing that resists or opposes something
Usage: informal
3. a worker who saws logs into shorter lengths
Usage: forestry

Examples

• The rodeo rider held on tight as the bucker threw him into the air.
• That horse is a notorious bucker and won't let anyone ride it.
• He's a bucker when it comes to following rules he disagrees with.
• The bucker used a chainsaw to cut the fallen tree into manageable pieces.
• She proved to be a bucker of tradition in her conservative family.