"To enter the competition" means to participate in an event or activity where individuals or teams compete against each other to show their skills or abilities and have a chance to win. Full definition
Make the most of your course by entering competitions, visiting industry and trade shows, and exhibiting your work. (prospects.ac.uk)
Through this specific action, users of the system will be able to enter competitions for protocol rewards. (cryptohead.io)
We feel that, in their own unique way, everyone who entered the competition or voted for their favourite image has helped to share our enthusiasm for the built environment. (politics.co.uk)