From Longman Dictionary of Contemporary Englishdig in phrasal verb1 dig something ↔ in (also dig something into something)DLGDIG to mix something into soil by digging Dig some fertilizer into the soil first.2 (also dig (something) into something) to push a hard or pointed object into something, especially someone’s body, or to press into something She dug her fingernails into his arm.dig something ↔ in He dug his spurs in and urged his horse on. I could feel one of the hooks digging in.3 PMAPROTECTif a group of people, especially soldiers, dig in, they make a protected place for themselves or prepare for a difficult situation The troops dug in along the defensive line. We just have to dig in and hope we can turn things around.4 (also dig into something) informalDFEAT to start eating food that is in front of you Go on – dig in! He was already digging into his pie and chips. → dig→ See Verb table