Printers' measures (3 letters)

{ Answer }

ENS

{ Related Clues }

Annapolis grad.
Anne's double
Dash widths
Minnesota twins?
Napkin edges?
Nav. officer
Nav. rank
Print measures
Typesetting units
Typography units
U.S.N. officer
U.S.N.A. grad
Coast Guard off.
Future adm., perhaps
Kennedy has two
Naval rank: Abbr.
Starfleet Academy grad.
Svc. hat-tosser
Two out of nine?
Coast Guard rank: Abbr.
England has two of these
PT boat officer: Abbr.
"Star Trek" rank: Abbr.

{ Tags }

abbr, abstract, annapolis, being, coast, ens, grad, guard, has, measures, nav, naval, off, officer, print, printers, rank, star, two, usn, usna

{ Notes }

The answer ENS is very common and appears about once every 34.2 puzzles.

{ Definition }

EN as a noun:

1. (en, nut) = half the width of an em