[1] : The Collaborative International Dictionary of English v.0.48

capapie \cap`apie"\, adv. of. ? cap-a-pie, from head to
   foot, now de pied en cap from foot to head; l. pes foot +
   caput head.
   from head to foot; at all points. "he was armed cap-a-pie."
   --prescott.
   1913 webster

[2] : WordNet (r) 2.0

cap-a-pie
     adv : at all points from head to foot; "he was armed cap-a-pie"
           syn: from head to toe
see also:
from head to toe 

Cap-A-Pie >> C Words
Cap-A-Pie, definition of term: Cap-A-Pie
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