Serving, a. & n. from Serve.
[1913 Webster]

Serving board (Naut.), a flat piece of wood used in serving ropes. -- Serving maid, a female servant; a maidservant. -- Serving mallet (Naut.), a wooden instrument shaped like a mallet, used in serving ropes. -- Serving man, a male servant, or attendant; a manservant. -- Serving stuff (Naut.), small lines for serving ropes.
[1913 Webster]