clysis
noun
cly·sis
| \ ˈklī-səs
\
\
plural clyses\ -ˌsēz
\
\
Medical Definition of clysis
: the introduction of large amounts of fluid into the body usually by parenteral injection to replace that lost (as from hemorrhage or in dysentery or burns), to provide nutrients, or to maintain blood pressure — see hypodermoclysis, phleboclysis, proctoclysis