cerrarse

infinitive of cerrar combined with se

(transitive) to close, to shut
(transitive) to shut down, to close down
(transitive) to turn off, to shut off (to rotate a tap or valve so as to interrupt the outflow of liquid or gas)
(transitive) to enclose
to lock, to lock up
to seal, to close (e.g. a deal, a breach, a rift)
to close up, to close off (e.g. a wound)
to close, to conclude, to end
(reflexive) to close (itself) (e.g., a store, a door)
(reflexive) to close off (oneself)