Lewis Short
laxāmentum (noun N) : laxo
* An extending, widening.
* Lit. (post-Aug.): ventus laxamentum sibi parat,Sen. Q. N. 6, 18, 3: cellae,Vitr. 4, 7 fin.: ventris,an evacuating, purging,Macr. S. 7, 11.
* Transf. (in concr.), a wide space, room: choragia laxamentum habeant, ad chorum parandum,Vitr. 5, 9, 1.
* Trop., a relaxation, mitigation, alleviation, respite (not freq. till after the Aug. per.): si quid laxamenti a bello Samnitium esset,Liv. 9, 41: eo laxamento cogitationibus dato,id. 7, 38 fin.: ut minus laxamenti daretur iis ad auxilia Hannibali submittenda,id. 22, 37; 10, 39: nactus in navigatione pusillum laxamenti, Trebon. ap. Cic. Fam. 12, 16, 3: dare laxamentum legi,laxity, indulgence,Cic. Clu. 33, 89; so, leges rem surdam, inexorabilem esse ... nihil laxamenti nec veniae habere,Liv. 2, 3.
Charlton T. Lewis, Charles Short, A Latin Dictionary