The inhibition of labour, the delaying or halting of labour. From toco- + lysis meaning, in this sense, dissolution = the dissolution of labour. ... (12 Dec 1998) ... 
(to-kol´ĭ-sis) postponement of preterm labor.
The administration of medications to stop uterine contractions
Tocolysis: The delaying or inhibition of labor during the birth process.
The process of stopping or delaying contractions during premature labor. Generally, tocolysis is only effective for a few days. Narrower term(s): Tocolytics
tocolysis, tokolysis Inhibition of uterine contractions; usually, with medical drugs.
The administration of medications to stop uterine contractions during premature labor.