전문가에게 서비스를 예약하기 위해 미리 지불하는 비용.
A fee paid in advance to a professional, such as a lawyer or consultant, to secure their services when needed.
예문:
"The consultant was kept on a monthly retainer to handle any emergency PR issues."
"The law firm requires a five-thousand-dollar retainer before they start working on the case."
귀족이나 부유한 인물을 모시는 하인 또는 가신.
A servant or follower of a wealthy or noble person, especially one who has served for a long time.
예문:
"The count was always surrounded by a group of faithful retainers."
"The elderly retainer had served the royal family for over forty years."
치아 교정 후 치아를 고정하기 위해 착용하는 장치.
A dental appliance worn to hold teeth in position, especially after orthodontic treatment.
예문:
"You must clean your retainer daily to prevent bacteria buildup."
"After her braces were removed, she had to wear a retainer every night."
기계나 구조물 내에서 부품을 고정하는 장치.
A device or part used to hold something in place within a machine or structure.
예문:
"The technician replaced the broken retainer to secure the fuel line."
"The ball bearing retainer ensures that the spheres remain evenly spaced."