The verb expel has 5 senses (first 2 from tagged texts)
1. (3) expel, throw out, kick out -- (force to leave or move out; "He was expelled from his native country")
2. (1) expel, eject, chuck out, exclude, throw out, kick out, turf out, boot out, turn out -- (put out or expel from a place; "The child was expelled from the classroom")
3. oust, throw out, drum out, boot out, kick out, expel -- (remove from a position or office; "The chairman was ousted after he misappropriated funds")
4. rout, rout out, expel -- (cause to flee; "rout out the fighters from their caves")
5. discharge, expel, eject, release -- (eliminate (substances) from the body)