1) : to block , to block off , to obstruct ;
2) : to stifle , with dry matter : to block , to clog up , to choke , to congest , to stop up (?) / to dam up (?) ;
3) D : eyes ... : to be suffused with blood... , to be filled (?) / to be covered (?) / to be permeated (?) / to be saturated (?) / to be pervaded (?) / to be soaked (?) / to be washed (?) ;