Defn: In an indicative manner; in a way to show or signify.
INDICATOR
In"di*ca`tor, n. Etym: [L.: cf. F. indicateur.]
1. One who, or that which, shows or points out; as, a fare indicator in a street car.
2. (Mach.)
Defn: A pressure gauge; a water gauge, as for a steam boiler; an apparatus or instrument for showing the working of a machine or moving part; as: (a) (Steam Engine) An instrument which draws a diagram showing the varying pressure in the cylinder of an engine or pump at every point of the stroke. It consists of a small cylinder communicating with the engine cylinder and fitted with a piston which the varying pressure drives upward more or less against the resistance of a spring. A lever imparts motion to a pencil which traces the diagram on a card wrapped around a vertical drum which is turned back and forth by a string connected with the piston rod of the engine. See Indicator card (below). (b) A telltale connected with a hoisting machine, to show, at the surface, the position of the cage in the shaft of a mine, etc.
3. (Mech.)
Defn: The part of an instrument by which an effect is indicated, as an index or pointer.
4. (Zoöl.)
Defn: Any bird of the genus Indicator and allied genera. See Honey guide, under Honey.
5. (Chem.)