Merriam-Webster's Collegiate® Dictionary, 11th Edition
SHIVER
I. noun
Etymology: Middle English; akin to Old High German scivaro splinter
Date: 13th century
one of the small pieces into which a brittle thing is broken by sudden violence,
II. verb (shivered; shivering)
Date: 13th century
to break into many small pieces ; shatter ,
III. verb (shivered; shivering)
Etymology: Middle English, alteration of chiveren
Date: 15th century
intransitive verb to undergo trembling ; quiver , to tremble in the wind as it strikes first one and then the other side (of a sail), transitive verb to cause (a sail) to shiver by steering close to the wind,
IV. noun
Date: 1727
an instance of shivering ; tremble , an intense shivery sensation especially of fear, a hard blow (as with a forearm) especially to the head or neck