n.
Pronunciation: nü- ' t ā -sh ə n, nyü-
Function: noun
Etymology: Latin nutation-, nutatio, from nutare to nod, rock ― more at NUMEN
Date: 1612
1 archaic : the act of nodding the head
2 : oscillatory movement of the axis of a rotating body (as the earth) : WOBBLE
3 : a spontaneous usually spiral movement of a growing plant part
– nu · ta · tion · al \ -shn ə l, -sh ə -n ə l \ adjective