1. plural of hackathon; events where programmers and developers collaborate intensively over a short period to create software projects or solve technical problems.
Usage: informal; technology/computing context; typically lasts from several hours to a few days

Examples

• Many tech companies sponsor hackathons to discover new talent and innovative ideas.
• She participated in three hackathons last year and won prizes at two of them.
• Hackathons bring together developers from different backgrounds to collaborate on creative projects.
• The university organized hackathons to encourage students to apply their coding skills in real-world scenarios.
• During the 48-hour hackathon, teams worked around the clock to build functional prototypes.
• Hackathons have become popular ways for startups to rapidly develop new features and test concepts.