keep in one's mind; "I cannot retain so much information"
secure and keep for possible future use or application; "The landlord retained the security deposit"; "I reserve the right to disagree"
allow to remain in a place or position; "We cannot continue several servants any longer"; "She retains a lawyer"; "The family's fortune waned and they could not keep their household staff"; "Our grant has run out and we cannot keep you on"; "We kept the work going as long as we could"
hold within; "This soil retains water"; "I retain this drug for a long time"
a firm controlling influence; "they kept a firm grip on the two top priorities"; "he was in the grip of a powerful emotion"; "a terrible power had her in its grasp"
worker who moves the camera around while a film or television show is being made
the friction between a body and the surface on which it moves (as between an automobile tire and the road)
hold fast or firmly; "He gripped the steering wheel"