adj : vibrating slightly and irregularly; as e.g. with fear or
cold or like the leaves of an aspen in a breeze; "a
quaking bog"; "the quaking child asked for more";
"quivering leaves of a poplar tree"; "with shaking
knees"; "seemed shaky on her feet"; "sparkling light
from the shivering crystals of the chandelier";
"trembling hands" [syn: quaking, quivering, shaking, shaky, shivering]
n : a shaky motion; "the shaking of his fingers as he lit his
pipe" [syn: shaking, shakiness, quiver, quivering, vibration, palpitation]