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; "unlike champerty, criminal maintenance does not necessarily involve personal profit"
in or belonging to the air or operating (for or by means of aircraft or elevated cables) in the air; "aerial particles"; "small aerial creatures such as butterflies"; "aerial warfare"; "aerial photography"; "aerial cable cars"
certainty based on past experience; "he wrote the paper with considerable reliance on the work of other scientists"; "he put more trust in his own two legs than in the gun"