retainer

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a fee charged in advance to retain the services of someone
• Syn:
consideration
• Hypernyms:
fee
• Hyponyms:
quid pro quo, quid
2. a person working in the service of another (especially in the household)
• Syn:
servant
• Derivationally related forms:
serve (for: servant)
• Hypernyms:
worker
• Hyponyms:
body servant, cabin boy, domestic, domestic help, house servant,
factotum, familiar, lackey, flunky, flunkey, major-domo,
seneschal, manservant, menial, scullion, servant girl, serving girl
3. a dental appliance that holds teeth (or a prosthesis) in position after orthodontic treatment
• Hypernyms:
dental appliance

• Từ đồng nghĩa / Synonyms:
  servant, consideration