WordNet (r) 3.0 (2006):

sec
    adj 1: (of champagne) moderately dry [syn: sec, unsweet]
    n 1: 1/60 of a minute; the basic unit of time adopted under the
         Systeme International d'Unites [syn: second, sec, s]
    2: ratio of the hypotenuse to the adjacent side of a right-
       angled triangle [syn: secant, sec]
    3: an independent federal agency that oversees the exchange of
       securities to protect investors [syn: Securities and
       Exchange Commission, SEC]

Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "sec":
   acerb, acerbate, acerbic, acescent, breath, coup, crab, crabbed,
   crack, dry, flash, green, half a jiffy, half a mo, half a second,
   half a shake, instant, jiff, jiffy, microsecond, millisecond,
   minute, moment, pickled, pungent, second, shake, sour,
   sour as vinegar, soured, sourish, split second, stroke, tart,
   tartish, tick, trice, twink, twinkle, twinkling, twitch,
   two shakes, unripe, unsweet, unsweetened, vinegarish, vinegary,
   wink



Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "SEC":
   AEC, Appalachian Regional Commission, Atomic Energy Commission,
   CAB, CIA, Central Intelligence Agency, Civil Aeronautics Board,
   District of Columbia, Domestic Council, EDA, EEOC, EIB, EPA,
   Environmental Protection Agency, FAA, FBI, FCA, FCC, FDA, FPC, FTC,
   Federal Aviation Agency, Federal Communications Commission,
   Federal Maritime Commission, Federal Power Commission, GAO, GSA,
   General Accounting Office, General Services Administration,
   Government Printing Office, ICC, Indian Claims Commission,
   Interstate Commerce Commission, Library of Congress, NASA, NLRB,
   NSF, National Mediation Board, National Science Foundation,
   National Security Council, OEO, Panama Canal Company,
   Railroad Retirement Board, Smithsonian Institution, TVA,
   Tennessee Valley Authority, USIA, VA



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SEC
       Single Edge Contact [card]


The Free On-line Dictionary of Computing (30 December 2018):

Single Edge Contact Cartridge
SEC
SECC

    (SEC, SECC) The cased daughterboard housing
   Intel's Pentium II, Pentium III, and Xeon
   microprocessors.

   A SECC fits into a Slot 1 or Slot 2 connector.

   [SECC 2?]

   (1999-08-05)