Plunge headlong into water (4)
I believe the answer is:
dive
(Other definitions for dive that I've seen before include "Plunge head first" , "Seedy bar" , "Plunge headfirst" , "Swim under water" , "Leap into water" .)
I believe the answer is:
dive
(Other definitions for dive that I've seen before include "Plunge head first" , "Seedy bar" , "Plunge headfirst" , "Swim under water" , "Leap into water" .)