laxation noun. 
[lak'seɪʃ(ǝ)n] LME.[Late Latin laxatio(n-), from Latin laxat- pa. ppl stem of laxare: see LAX verb, -ATION.]The action or an act of loosening or relaxing something; the state of being loosened or relaxed; 
Medicine defecation. Also, administration of a laxative. 
 [TahlilGaran] English Dictionary ▲