(mathematics) An object taking a random walk

(mathematics) A stochastic path consisting of a series of sequential movements, the direction (and sometime length) of which is chosen at random

A hero of westerns who wore a mask. / A solitary, sometimes mysterious or heroic, person.

Alternative spelling of rangefinder

Any of several designs of optical (or other) instrument that is used to measure the distance to an object / (photography) Abbreviation of rangefinder camera.

A shooting range for shooting rifles.

(idiomatic) To assert one's authority over a subordinate who disagrees.

plural of random number generator

A device or algorithm that generates numbers at random or apparently at random. In many cases they actually select successive numbers deterministically and are more technically termed pseudorandom number generator.

(statistics, broadly) A quantity whose value is random and to which a probability distribution is assigned, such as the possible outcome of a roll of a dice.