in law, an action or clause whereby something is reserved, or secured to one's self.

Mental Reservation, a proposition, which, strictly taken, and according to the natural import of the terms, is false; but, if qualified by something concealed in the mind, becomes true.

Body of Reserve, or Corps de Reserve, in military affairs, the third or last line of an army, drawn up for battle; so called because they are referred to sustain the rest, as occasion requires; and not to engage, but in case of necessity.