From Longman Dictionary of Contemporary Englishfrogmarchfrog‧march /ˈfrɒɡmɑːtʃ $ ˈfrɑːɡmɑːrtʃ, ˈfrɒːɡ-/ verb [transitive always + adverb/preposition] British English FORCE somebody TO DO somethingto force someone to walk somewhere by holding their arms very tightly by their side or behind their back→ See Verb table
