There's one every second (4)
I believe the answer is:
tick
(Other definitions for tick that I've seen before include "Credit - bloodsucker" , "Clock's sound" , "Sound of an old watch" , "Parasitic insect or pillow casing" , "Not cross" .)
I believe the answer is:
tick
(Other definitions for tick that I've seen before include "Credit - bloodsucker" , "Clock's sound" , "Sound of an old watch" , "Parasitic insect or pillow casing" , "Not cross" .)