/ ˌɪntəˈpəʊz; NAmE ˌɪntərˈpoʊz/ verb ( formal )
1.
to add a question or remark into a conversation :
[ v speech ]
'Just a minute,' Charles interposed. 'How do you know?'
[also vn ]
2.
[ vn ] interpose sb/sth (between A and B) to place sth between two people or things :
He quickly interposed himself between Mel and the doorway.
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WORD ORIGIN
late 16th cent.: from French interposer , from Latin interponere put in (from inter- between + ponere put), but influenced by interpositus inserted and Old French poser to place.