1040870 jmdict A [id=2210837]

キープ[gai1]
[1][vs,vt,n]
  to keep (e.g. the lead); to maintain (a standard, situation, etc.)
[2][vs,vt,n]
  to put aside (for someone); to save (e.g. a seat)
[3][vs,vt,n][fld=sports]
  to keep (the ball\; in soccer, rugby, etc.); to retain possession
[4][vs,vt,n][fld=sports]
  to hold service (in tennis)
[5][n][col]
  person one is dating while hoping for someone better