Brown Driver Briggs

 1. to redeem, act as kinsman-redeemer, avenge, revenge, ransom, do the
part of a kinsman
  1) (Qal)
1a1. to act as kinsman, do the part of next of kin, act as
kinsman-redeemer
1a  1) by marrying brother's widow to beget a child for him,
to redeem from slavery, to redeem land, to exact
vengeance
1a2. to redeem (by payment)
1a3. to redeem (with God as subject)
1a  1) individuals from death
1a  2) Israel from Egyptian bondage
1a  3) Israel from exile
  2) (Niphal)
1b1. to redeem oneself
1b2. to be redeemed