sidebar sidebar /ˈsaɪd.bɑːr/ aep /-bɑːr/ noun [C]
1 F0 a box or narrow area on a newspaper or magazine page that contains a short news story or extra information relating to a longer main story Thesaurus+: ↑Headlines and features in newspapers and magazines2 F0 a narrow area at the side of a page on a website, giving extra information or links |