Shape of a dollar sign (3)
I believe the answer is:
ess
(Other definitions for ess that I've seen before include "Curvaceous letter" , "Nineteenth letter" , "Alphabet letter" , "Letter from Mid-West" , "top secret" .)
I believe the answer is:
ess
(Other definitions for ess that I've seen before include "Curvaceous letter" , "Nineteenth letter" , "Alphabet letter" , "Letter from Mid-West" , "top secret" .)