gravatio

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

grăvātĭo, ōnis, f. [gravo],

heaviness , oppression (post-class.): post cibum, Cael. Aur. Acut. 2, 32, 171; id. Tard. 5, 10, 96; 4, 3, 33.