[1] : The Collaborative International Dictionary of English v.0.48

waiting \wait"ing\,
   a.  n. from wait, v.
   1913 webster

   in waiting, in attendance; as, lords in waiting. eng.

   waiting gentlewoman, a woman who waits upon a person of
      rank.

   waiting maid, waiting woman, a maid or woman who waits
      upon another as a personal servant.
      1913 webster
see also:
wait in waiting waiting gentlewoman waiting maid waiting woman 

Maid >> M Words
Maid, definition of term: Maid
maid_pag1.html

Old Maid >> O Words
Old Maid, definition of term: Old Maid
old+maid_pag1.html

Maid Of Honor >> M Words
Maid Of Honor, definition of term: Maid Of Honor
maid+of+honor_pag1.html

Lady In Waiting >> L Words
Lady In Waiting, definition of term: Lady In Waiting
lady+in+waiting_pag1.html