Make less watery (7)
I believe the answer is:
thicken
(Other definitions for thicken that I've seen before include "Clot" , "get fatter?" , "Make dense" , "Become more dense (as plots do)" , "Become more involved" .)
I believe the answer is:
thicken
(Other definitions for thicken that I've seen before include "Clot" , "get fatter?" , "Make dense" , "Become more dense (as plots do)" , "Become more involved" .)