geotagnoun [ C ]
uk/ˈdʒiː.əʊ.tæɡ//ˈdʒiː.oʊ.tæɡ/a piece of electronic data that shows where someone or something is and can, for example, be attached to a photograph or comment on social media
geotagverb [ T ]
/ˈdʒiː.əʊ.tæɡ//ˈdʒiː.oʊ.tæɡ/to add a geotag to something, for example a photograph or comment on social media:
The phone doesn't geotag your photos without your authorization.
geotagging
noun [ U ] uk/ˈdʒiː.əʊ.tæɡ.ɪŋ//ˈdʒiː.oʊ.tæɡ.ɪŋ/