Definitions of keep:

• noun:   the main tower within the walls of a medieval castle or fortress
• noun:   a cell in a jail or prison
• noun:   the financial means whereby one lives

  Example: "Each child was expected to pay for their keep"

• verb:   retain possession of

  Example: "Can I keep my old stuffed animals?"

• verb:   look after; be the keeper of; have charge of

  Example: "He keeps the shop when I am gone"

• verb:   maintain for use and service

  Example: "I keep a car in the countryside"

• verb:   have as a supply

  Example: "I always keep batteries in the freezer"

• verb:   store or keep customarily

  Example: "Where do you keep your gardening tools?"

• verb:   supply with room and board

  Example: "He is keeping three women in the guest cottage"

• verb:   raise

  Example: "She keeps a few chickens in the yard"

• verb:   keep in a certain state, position, or activity

  Example: "E.g., keep clean"

• verb:   maintain in safety from injury, harm, or danger

  Example: "May God keep you"

• verb:   fail to spoil or rot

  Example: "These potatoes keep for a long time"

• verb:   maintain by writing regular records

  Example: "Keep a diary"

• verb:   hold and prevent from leaving
• verb:   prevent (food) from rotting

  Example: "Keep potatoes fresh"

• verb:   prevent from doing something or being in a certain state

  Example: "Keep the child from eating the marbles"

• verb:   conform one's action or practice to

  Example: "Keep appointments"

• verb:   observe correctly or closely

  Example: "Keep count"

• verb:   supply with necessities and support

  Example: "There's little to earn and many to keep"

• verb:   retain rights to

  Example: "Keep my job for me while I give birth"

• verb:   allow to remain in a place or position

  Example: "The family's fortune waned and they could not keep their household staff"

• verb:   keep under control; keep in check

  Example: "Keep your temper"

• verb:   celebrate, as of holidays or rites

  Example: "Keep the commandments"

• verb:   continue a certain state, condition, or activity

  Example: "Keep on working!"

• name:  A surname (very rare: popularity rank in the U.S.: #23716)