To restrain, to withhold, to shut up, to keep back
Brown-Driver-Briggs Hebrew Lexicon
1) to restrict, restrain, withhold, shut up, keep back, refrain, forbid 1a) (Qal) 1a1) to shut up 1a2) to restrain 1a3) to withhold 1b) (Niphal) to be restrained 1c) (Piel) to finish