The term "sign of the orbicularis" refers to a physical indication or manifestation of the circular muscle surrounding the eye known as the orbicularis oculi. This muscle plays a crucial role in controlling eyelid movement and facial expressions. Synonyms for "sign of the orbicularis" can include "orbicularis sign" or "orbicularis indication". These terms highlight a visible clue that reveals the functioning or engagement of the orbicularis muscle. Whether it's a fluttering eyelid, a wink, or a twitch, these signs provide valuable insights into the activity of this prominent facial muscle, which is involved in various expressions of emotions and eye movements.