Search Result for "atop": 
Wordnet 3.0

ADVERB (1)

1. on, to, or at the top; 



The Collaborative International Dictionary of English v.0.48:

Atop \A*top"\, adv.
   On or at the top. --Milton.
   [1913 Webster] Atrabilarian


WordNet (r) 3.0 (2006):

atop
    adv 1: on, to, or at the top