lie with

phrasal verb [transitive]
Word forms "lie with":
present tense I/you/we/they lie with he/she/it lies with present participle lying with past tense lay with past participle lain with

1)

a) lie with someone if something such as responsibility or blame for something lies with someone, they are responsible for it or they should be blamed for it

There is evidence to suggest that some blame lies with the police.

b) if something such as power or a decision lies with someone, they have power or the right to make a decision

Unfortunately, the decision doesn't lie with our department.

2) lie with someone an old phrase meaning "to have sex with someone"