'EN' definitions:

Definition of 'en'

(from WordNet)
noun
Half the width of an em [syn: en, nut]

Definition of 'En'

From: GCIDE
  • En \En\, n. (Print.) Half an em, that is, half of the unit of space in measuring printed matter. See Em. [1913 Webster]

Acronyms for 'en'

From: V.E.R.A.
  • Europa Norm (Europe)