From Longman Dictionary of Contemporary Englishbring something ↔ on phrasal verb1 CAUSEto make something bad or unpleasant happen SYN cause Stress can bring on an asthma attack. What’s brought this on? Have I upset you somehow?2 to help someone to improve or make progress Teachers have to bring on the bright children and at the same time give extra help to those who need it.3 DLGGROW/GET BIGGERto make plants or crops grow faster Keeping the young plants in a greenhouse will help bring them on.4 bring it on informal used to say that you are prepared and willing to deal with something bad that is likely to happen → bring→ See Verb table
Examples from the Corpus
bring on• If he didn't wear his glasses, he could bring one on.• Each processor is brought to bear on a problem at once.• As Joyce Umbima shows, the only way of bringing men on board is to show that change is in their interest.• Fenna is chaos as well as order, and brings, on fiery dragon breath, the full danger of the chasm.• Your mother, abandoned by your unknown father, had the job of bringing you up on her own.• He would have brought it on himself.• Undoubtedly, the Under-Secretary of State will bring us up to date on that. 