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 hidden storage space (for money or provisions or weapons)
(computer science) RAM memory that is set aside as a specialized buffer storage that is continually updated; used to optimize data transfers between system elements with different characteristics
a fringe of hair that is cut short squarely across the forehead
a sudden very loud noise
the swift release of a store of affective force; "they got a great bang out of it"; "what a boot!"; "he got a quick rush from injecting heroin"; "he does it for kicks"
directly; "he ran bang into the pole"; "ran slap into her"
move noisily; "The window banged shut"; "The old man banged around the house"
to produce a sharp often metallic explosive or percussive sound; "One of them banged the sash of the window nearest my bed"