Tee's forerunner
I believe the answer is:
ess
(Other definitions for ess that I've seen before include "One next to tee" , "Letter from Mid-West" , "Nineteenth letter" , "Curvaceous letter" , "top secret" .)
I believe the answer is:
ess
(Other definitions for ess that I've seen before include "One next to tee" , "Letter from Mid-West" , "Nineteenth letter" , "Curvaceous letter" , "top secret" .)