'Handiness' definitions:

Definition of 'handiness'

From: WordNet
noun
Skillfulness with the hands; "he can do any sort of work requiring handiness and dexterity"
noun
The quality of being at hand when needed [syn: handiness, accessibility, availability, availableness] [ant: inaccessibility, unavailability]

Definition of 'Handiness'

From: GCIDE
  • Handiness \Hand"i*ness\, n. The quality or state of being handy. [1913 Webster]