(intransitive) To have an effect, especially a noticeable one; to be apparent, to be demonstrated.
(transitive) To use beads or similar objects as an aid to prayer.
(childish) To inform someone in authority about a wrongdoing.
Noun
A reflexive, often habitual behavior, especially one occurring in a context that often features attempts at deception by persons under psychological stress (such as a poker game or police interrogation), that reveals information that the person exhibiting the behavior is attempting to withhold.