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spend

spend /ˈspɛnd/ verb
spends; spent /ˈspɛnt/ ; spending
spend
/ˈspɛnd/
verb
spends; spent /ˈspɛnt/ ; spending
Britannica Dictionary definition of SPEND
: to use (money) to pay for something
[+ object]
[no object]
[+ object] : to allow (time) to pass in a particular place or while doing a particular activity
[+ object] : to use (energy or effort) to do something

spend the night

◊ If you sleep at a place for a night, you spend the night there.
◊ If you spend the night with someone, or if you and someone else spend the night together, you stay with someone overnight and have sex with that person.