Strongs Number: G2808
Orig: a primary verb; to close (literally or figuratively):--shut (up).
Heb Strong: H1479 H5274 H5462
1) to shut, shut up
2a) to cause the heavens to withhold rain
2b) to shut up compassion so that it is like a thing inaccessible to one, to be devoid of pity towards one
2c) to obstruct the entrance into the kingdom of heaven