From Longman Dictionary of Contemporary Englishsee somebody/something ↔ off phrasal verb1 DEFENDBEAT/DEFEATto defeat someone or stop them from competing against you To see off the threat, the company will have to cut its prices still further. The team saw off their old rivals in last night’s championship game.2 GOODBYEto go to an airport, train station etc to say goodbye to someone They’ve gone to the airport to see their son off.3 (also see somebody off something)FOLLOW to force someone to leave a place Security guards saw him off the premises. → see→ See Verb table
Examples from the Corpus
see off• Coronado, who thought him to be out of his mind, reluctantly saw the men off.• Several hundred people had waited at Pier 41 to see the celebrities off.• When Harriet once again saw her daughter off at Penzance station it was this time with a sense of relief.• I could see them scrambling off into the woods as we came up.• If he caught him up here again he'd see him off, scare him to death.• A class 31 is seen coming off the Mansfield line with a freight from Clipstone in 1965.• We had now spent three weeks at Aubagne and had seen detachments move off to Castelnaudary, and numerous people rejected. 