a datum about some physical state that is presented to a user by a meter or similar instrument | a drawing created by superimposing a semitransparent sheet of paper on the original image and copying on it the lines of the original image |
something that serves to indicate or suggest | either of two lines that connect a horse's harness to a wagon or other vehicle or to a whiffletree |
the act of indicating or pointing out by name | an indication that something has been present |
(medicine) a reason to prescribe a drug or perform a procedure | a suggestion of some quality |
something (as a course of action) that is indicated as expedient or necessary | a visible mark (as a footprint) left by the passage of person or animal or vehicle |
| a just detectable amount |