retainer

1 of 2

noun (1)

re·​tain·​er ri-ˈtā-nər 

1

a

: a person attached or owing service to a household

especially, old-fashioned : servant

b

: employee

2

: one that retains

3

: a device or structure that holds something in place: such as

a

: the part of a dental replacement (such as a bridge) by which it is made fast to adjacent natural teeth

b

: a dental appliance used to hold teeth in correct position especially following orthodontic treatment

retainer

2 of 2

noun (2)

1

: the act of a client by which the services of a lawyer, counselor, or adviser are engaged

2

: a fee paid to a lawyer or professional adviser for advice or services or for a claim on services when needed

Synonyms of retainer

Noun (1)

• servant
• maid

Examples of retainer in a Sentence

Noun (1)

knights being dressed for battle by their retainers

lifelong civil service retainers

Recent Examples on the Web

Noun

The Heat need a toe doctor on retainer. —Ira Winderman, Sun Sentinel, 3 Apr. 2026

The Live With Kelly and Mark host engaged in a titillating conversation with husband Mark Consuelos on Wednesday's edition of the beloved talk show, with the star admitting that her oral retainer sometimes dissuades her husband's advances in the bedroom. —Joey Nolfi, Entertainment Weekly, 1 Apr. 2026

Wearing a night guard can help support better sleep, healthier teeth and reduced jaw discomfort and custom retainers help maintain alignment and protect your smile. —Tory Johnson, ABC News, 26 Mar. 2026

Zoley offered to put Lewandowski on retainer — a recurring consulting fee — with GEO Group, according to two industry sources familiar with the matter. —Julia Ainsley, NBC news, 19 Mar. 2026

Word History

Etymology

Noun (2)

Middle English reteigner, literally, retention, from Anglo-French, from reteigner, verb

First Known Use

Noun (1)

1508, in the meaning defined at sense 1a

Noun (2)

1767, in the meaning defined at sense 1

Rhymes for retainer

• abstainer
• campaigner
• complainer
• container
• coplanar
• detainer
• maintainer
• nonplanar
• sustainer
• entertainer
• gainer
• plainer

Kids Definition

retainer

1 of 2 noun

re·​tain·​er ri-ˈtā-nər 

: a fee paid (as to a lawyer) for advice or services or for a claim upon services in case of need

retainer

2 of 2 noun

1

: a servant or follower in a wealthy household

2

: one that retains

3

: a usually removable dental device used to hold teeth in correct position especially following orthodontic treatment (as with braces)

called also bite plate

Medical Definition

retainer

noun

re·​tain·​er ri-ˈtān-ər 

1

: the part of a dental replacement (as a bridge) by which it is made fast to adjacent natural teeth

2

: a dental appliance used to hold teeth in their correct position especially following orthodontic treatment

Legal Definition

retainer

noun

re·​tain·​er ri-ˈtā-nər 

1

: the act of a client by which the services of a lawyer are engaged

2

: a fee paid to a lawyer for advice or services or for a claim on services when needed

Etymology

Noun

Anglo-French retener act of engaging or employing, from retener, retenir to engage, retain