Source : WordNet®

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

sec
     adj : (of champagne) moderately dry [syn: {unsweet}]

Source : Free On-Line Dictionary of Computing

SEC
     
        {Single Edge Contact Cartridge}