(PUT BETWEEN) [verb] [T] [formal] - to put (something) between two things, people or groups, esp. in order to stop them doing somethingNeighbouring countries should assemble an armed peace force that could be interposed between the warring factions. [T]
INTERPOSE
Meaning of INTERPOSE in English
Cambridge English vocab. Кембриджский английский словарь. 2012