1
general::
Phrase(s): chain something up
to lock or secure a door or gate with chains. • Please chain the gate up again when you come through. • Yes, chain up the gate., Phrase(s): chain someone or an animal up
to bind someone or an animal in chains. • We will have to chain him up until the police get here. • Please chain up your dog.
McGrawhill's American Idioms And Phrasal Verbs