Source : Webster's Revised Unabridged Dictionary (1913)

Keep \Keep\, v. i.
   1. To remain in any position or state; to continue; to abide;
      to stay; as, to keep at a distance; to keep aloft; to keep
      near; to keep in the house; to keep before or behind; to
      keep in favor; to keep out of company, or out reach.

   2. To last; to endure; to remain unimpaired.

            If the malt be not thoroughly dried, the ale it
            makes will not keep.                  --Mortimer.

   3. To reside for a time; to lodge; to dwell. [Now disused
      except locally or colloquially.]

            Knock at his study, where, they say, he keeps.
                                                  --Shak.

   4. To take care; to be solicitous; to watch. [Obs.]

            Keep that the lusts choke not the word of God that
            is in us.                             --Tyndale.

   5. To be in session; as, school keeps to-day. [Colloq.]

   {To keep from}, to abstain or refrain from.

   {To keep in with}, to keep on good terms with; as, to keep in
      with an opponent.

   {To keep on}, to go forward; to proceed; to continue to
      advance.

   {To keep to}, to adhere strictly to; not to neglect or
      deviate from; as, to keep to old customs; to keep to a
      rule; to keep to one's word or promise.

   {To keep up}, to remain unsubdued; also, not to be confined
      to one's bed.