From Longman Dictionary of Contemporary Englishbundle somebody/something ↔ up phrasal verb1 GROUP OF THINGS (also bundle something ↔ together) to make a bundle by tying things together Bundle up the newspapers and take them to the skip.2 (also bundle something ↔ together) to put different things together so that they are dealt with at the same time The lawsuit bundles together the claims of many individuals into one big case.3 WEAR CLOTHESto put warm clothes on someone or yourself because it is cold SYN wrap up People sat bundled up in scarves, coats, and boots. against spectators bundled up against the cold → bundle→ See Verb table
Examples from the Corpus
bundle up• We were bundles, lifted up and put down wherever it suited our captors.• As they pointed out, the flux bundles also lined up with cold patches near the core-mantle boundary.