to close within bounds, or otherwise limit or deprive of free movement
"This holds the local until the express passengers change trains"
"About a dozen animals were held inside the stockade"
"The illegal immigrants were held at a detention center"
"The terrorists held the journalists for ransom"
severely restrict in scope or extent
"tighten the rules"
"stiffen the regulations"
To force physically, by strong persuasion or pressuring; to compel; to oblige.