Open English Wordnet
Nouns
(n)footprint, footmark, stepa mark of a foot or shoe on a surface“the police made casts of the footprints in the soft earth outside the window” (n)footprinta trace suggesting that something was once present or felt or otherwise important“the footprints of an earlier civilization” (n)footprintthe area taken up by some object“the computer had a desktop footprint of 10 by 16 inches”