retainer
definition: a dental appliance that holds teeth (or a prosthesis) in position after orthodontic treatment
example:
speech part: noun
synonyms:
definition: a person working in the service of another (especially in the household)
example:
speech part: noun
synonyms:
servant
definition: a fee charged in advance to retain the services of someone
example:
speech part: noun
synonyms:
consideration
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