maintenance : Idioms & Phrases

a cap of state carried before the kings of England at the coronation. It is also carried before the mayors of some cities.

noun the unauthorized interference in a legal action by a person having no interest in it (as by helping one party with money or otherwise to continue the action) so as to obstruct justice or promote unnecessary litigation or unsettle the peace of the community
maintenance.
- unlike champerty, criminal maintenance does not necessarily involve personal profit

noun group insurance that entitles members to services of participating hospitals and clinics and physicians
HMO.

noun those in a business responsible for maintaining the physical plant
service staff.