A slow or labored walk or other motion or activity.
We started at a brisk walk and ended at a plod.
To walk or move slowly and heavily or laboriously (+ on, through, over).
To trudge over or through.
To toil; to drudge; especially, to study laboriously and patiently.
A puddle.
(mildly, usually with "the") the police, police officers
(mildly) a police officer, especially a low-ranking one.