re·tain·er /rɪˈtenɚ/ 名詞
1. One who, or that which, retains.
2. One who is retained or kept in service; an attendant; an adherent; a hanger-on.
3. Hence, a servant, not a domestic, but occasionally attending and wearing his master's livery.
4. Law (a) The act of a client by which he engages a lawyer or counselor to manage his cause. (b) The act of withholding what one has in his hands by virtue of some right. (c) A fee paid to engage a lawyer or counselor to maintain a cause, or to prevent his being employed by the opposing party in the case; -- called also retaining fee.
5. The act of keeping dependents, or the state of being in dependence.
n 1: a fee charged in advance to retain the services of someone
2: a person working in the service of another (especially in
the household) [syn: servant]
3: a dental appliance that holds teeth (or a prosthesis) in
position after orthodontic treatment