Webster's Revised Unabridged Dictionary · 1913

Housemaid

Housemaid , noun

A female servant employed to do housework, esp. to take care of the rooms.
Collocations (1)
Housemaid's knee (Medicine) , a swelling over the knee, due to an enlargement of the bursa in the front of the kneepan; -- so called because frequently occurring in servant girls who work upon their knees.