The Collaborative International Dictionary of English v.0.48:

Scamper \Scam"per\, v. i. [imp. & p. p. Scampered; p. pr. &
   vb. n. Scampering.] [OF. escamper to escape, to save one's
   self; L. ex from + campus the field (sc. of battle). See
   Camp, and cf. Decamp, Scamp, n., Shamble, v. t.]
   To run with speed; to run or move in a quick, hurried manner;
   to hasten away. --Macaulay.
   [1913 Webster]

         The lady, however, . . . could not help scampering
         about the room after a mouse.            --S. Sharpe.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Scamper \Scam"per\, n.
   A scampering; a hasty flight.
   [1913 Webster]

WordNet (r) 3.0 (2006):

scamper
    n 1: rushing about hastily in an undignified way [syn:
         scamper, scramble, scurry]
    v 1: to move about or proceed hurriedly; "so terrified by the
         extraordinary ebbing of the sea that they scurried to
         higher ground" [syn: scurry, scamper, skitter,
         scuttle]