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]

The Free On-line Dictionary of Computing (19 January 2023):

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)