Heart (informal) (6)
I believe the answer is:
ticker
(Other definitions for ticker that I've seen before include "Old watch or informal heart" , "Old clock or slang heart (6)" , "Maybe watch" , "Telegraph instrument" , "Heart (sl.)" .)
I believe the answer is:
ticker
(Other definitions for ticker that I've seen before include "Old watch or informal heart" , "Old clock or slang heart (6)" , "Maybe watch" , "Telegraph instrument" , "Heart (sl.)" .)