The Collaborative International Dictionary of English v.0.48:

Sippet \Sip"pet\, n. [See Sip, Sop.]
   A small sop; a small, thin piece of toasted bread soaked in
   milk, broth, or the like; a small piece of toasted or fried
   bread cut into some special shape and used for garnishing.
   [1913 Webster]

         Your sweet sippets in widows' houses.    --Milton.
   [1913 Webster]