croupissant, -e, adj., standing, stagnating, putrescent.
croupissement, n.m., standing still, stagnation, putrefaction.
croupon, n.m., square hide, butt.
croustade, n.f., dish prepared with crusts.
croustillant, -e, adj., crisp, crusty.
*croustille, n.f., little crust, crust.
*croustiller, v.n., to bite, eat, or gnaw a crust, to munch.
*croustilleusement, adv., (fam., l.u.) comically, with mirth, pleasantly; smuttily.
*croustilleu-x, -se, adj., (fam., l.u.) droll, funny; smutty. Des contes —x; smutty tales.
croûte, n.f., crust; cake; coarse painting, daub; (med.) scab, scurf. La — de dessous; the under-crust. Casser une — avec quelqu’un; to take a crust with any one. Ne manger que des —s; to fare badly.