dēclīnis — Lewis & Short
dēclīnis, e, adj.id.,
I turning aside (perh. only in the two foll. places):
declinia juga,Stat. Th. 5, 297 (quae declinarent et fugerent, Schol.). So of the retreating motion of the sea in ebb and flood:
undae,ebbing, Luc. 4, 427 dub. (al. declivibus).