"return one copy to me, keeping the other for your files"

• put or store in a regular place

  "his personal work was kept securely in an upstairs studio"

"the guidance system keeps the machine on course"

• continue in a specified condition, position, course, etc.

  "I kept quiet while Emily talked on"

• continue doing or do repeatedly

  "he keeps going on about the accident"

• (of a perishable commodity) remain in good condition

  "rice will keep almost indefinitely without spoiling"

• retain one's place in or on (a seat or saddle, the ground, etc.) in spite of difficulty

  "can you keep your saddle, or shall I carry you on a pillion?"

• be in a specified state of health

  "he had not been keeping well"

• make (someone) do something for a period of time

  "I have kept her waiting too long"

• cause to be late; delay

  "I won't keep you, I know you've got a busy evening"

• continue to follow (a path or course)

  "the soldiers removed, keeping their course towards Jericho"

"he had to keep his large family in the manner he had chosen"

• own and look after (an animal) for pleasure or profit

  "they raised pigs and kept a pony or two"

• own and manage (a shop or business)

  "the big fellow keeps a fish shop near the post office"

• guard; protect

  "the boy keeps the sheep"

• support (someone, especially a woman) financially in return for sexual favours

  "he was keeping a woman on the side"

"I'll keep my promise, naturally"

• observe (a religious occasion) in the prescribed manner

  "today's consumers do not keep the Sabbath"

• pay due regard to (a law or custom)

  "if you kept small rules, you could break the big ones"

"the master kept a weekly journal"

• write down as (a record)

  "keep a note of each item"

"the Society are paying for your keep"

• the cost of the essentials for living

"if from shepherd's keep a lamb strayed far"